NASA Spacecraft Make First 3-D Images Of Sun - NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft have made the first three-dimensional images of the sun. The new view will greatly aid scientists' ability to understand solar physics and thereby improve space weather forecasting. April 24, 2007

Scientists Make Explosive Discovery About Nature Of Supernovae - North Carolina State University astrophysicists have answered a long-standing question about the nature of one of our galaxy’s most famous supernova explosions, discovering a new class of supernova in the process. April 20, 2007

Jet Of Molecular Hydrogen Arising From A Forming High-mass Star - A team of European astronomers offer new evidence that high-mass stars could form in a similar way to low-mass stars, that is, from accretion of gas and dust through a disk surrounding the forming star. April 19, 2007

Dust Clouds In Cosmic Cycle - It has been a mystery for astronomers how certain dying stars have their colossal quantities of material blown out into the universe and shrink into objects called "white dwarves". April 18, 2007

Mystery Spiral Galaxy Arms Explained? - Using a quartet of space observatories, University of Maryland astronomers may have cracked a 45-year mystery surrounding two ghostly spiral arms in the galaxy M106. April 17, 2007

Galaxy Collision Causes Role Reversal - Astronomers think that there are enormous black holes at the centers of most, if not all, galaxies. These black holes, which can be millions or even billions of times more massive than the Sun, can greatly affect the galaxy and the environments around them. April 16, 2007

Future Space Telescopes Could Detect Earth Twin - For the first time ever, NASA researchers have successfully demonstrated in the laboratory that a space telescope rigged with special masks and mirrors could snap a photo of an Earth-like planet orbiting a nearby star. April 13, 2007

Water Identified In Extrasolar Planet Atmosphere - For the first time, water has been identified in the atmosphere of an extrasolar planet. April 12, 2007

Scientist Discovers New Explanation For Pulsar's Spin - A researcher at North Carolina State University has developed a three-dimensional computer model that shows how pulsars obtain their spin, which could lead to a greater understanding of the processes that occur when stars die. April 11, 2007

First X-Ray Detection Of A Colliding-Wind Binary - Imagine two stars with winds so intense that they eject an Earth’s worth of material roughly once every month. Next, imagine those two winds colliding head-on. Such titanic collisions produce multimillion-degree gas, which radiates brilliantly in X-rays. April 10, 2007

New Finding Helps Further Understanding Of X-ray Bursts - X-ray bursts are among the most fascinating of astrophysical phenomena. Now, a new finding by a team led by University of Notre Dame astrophysicist Michael Wiescher will enable researchers to derive many more qualitative predictions about X-ray burst behavior and characteristics. April 6, 2007

Star Family Seen Through Dusty Fog - Images made with ESO's New Technology Telescope at La Silla by a team of German astronomers reveal a rich circular cluster of stars in the inner parts of our Galaxy. April 5, 2007

Dig Deeper To Find Martian Life - Probes designed to find life on Mars do not drill deep enough to find the living cells that scientists believe may exist well below the surface of Mars, according to research led by UCL (University College London). April 4, 2007

Spitzer Finds Planets Thrive Around Stellar Twins - The double sunset that Luke Skywalker gazed upon in the film "Star Wars" might not be a fantasy. April 3, 2007

Binary Asteroid Revealed As Twin Rubble Piles - Roping together observations from the world's largest telescopes as well as the small instrument of a local backyard amateur, astronomers have assembled the most complete picture yet of a pair of asteroids ... April 2, 2007

Superbubble Of Supernova Remnants Caught In Act Of Forming - A superbubble in space, caught in the act of forming, can help scientists better understand the life and death of massive stars, say researchers at the University of Illinois at Urbana-Champaign. March 30, 2007

James Webb Space Telescope Looks Out Of This World - The James Webb Space Telescope (JWST), the orbiting infrared observatory designed to succeed the Hubble Space Telescope, is set to enable fundamental breakthroughs in our understanding of the formation and evolution of galaxies, stars and planetary systems. March 29, 2007

Sensor Being Developed To Check For Life On Mars - NASA-funded researchers are refining a tool that could not only check for the faintest traces of life's molecular building blocks on Mars, but could also determine whether they have been produced by anything alive. March 28, 2007

Hubble Observations Provide Insight into Planet Birth - Hubble observed a "blizzard" of particles in a disk around a young star, revealing the process by which planets grow from tiny dust grains. March 27, 2007

Structure Of The Sun's Magnetic Field - Hinode, the newest solar observatory on the space scene, has obtained never-before-seen images showing that the sun's magnetic field is much more turbulent and dynamic than previously known. March 26, 2007

Famous Space Pillars Feel The Heat Of Star's Explosion - The three iconic space pillars photographed by NASA's Hubble Space Telescope in 1995 might have met their demise, according to new evidence from NASA's Spitzer Space Telescope. March 23, 2007

Hubble Pans Across Heavens To Harvest 50,000 Evolving Galaxies - Several hundred images taken with NASA's Hubble Space Telescope have been woven together into a rich tapestry of at least 50,000 galaxies. The Hubble view is yielding new clues about the universe's youth, from its "pre-teen" years to young adulthood. March 22, 2007

Mars' South Pole Ice Deep And Wide - New measurements of Mars' south polar region indicate extensive frozen water. The polar region contains enough frozen water to cover the whole planet in a liquid layer approximately 11 meters (36 feet) deep. March 21, 2007

New NASA Orbiter Sees Details Of 1997 Pathfinder Site - The high-resolution camera on NASA's Mars Reconnaissance Orbiter has imaged the 1997 landing site of NASA's Mars Pathfinder, revealing new details of hardware on the surface and the geology of the region. March 20, 2007

Robotic Telescope Unravels Mystery Of Cosmic Blasts - Scientists have used the world's largest robotic telescope to make the earliest-ever measurement of the optical polarisation of a Gamma Ray Burst (GRB) just 203 seconds after the start of the cosmic explosion. March 19, 2007

Seas Discovered On Saturn's Moon Titan - Instruments on NASA's Cassini spacecraft have found evidence for seas, likely filled with liquid methane or ethane, in the high northern latitudes of Saturn's moon Titan. March 16, 2007

Gamma-ray Birth Cries Suggest Massive Magnetic Engines - Several times a week, astronomers detect the violent death cry of a massive star - an extraordinarily energetic release of gamma rays that takes place in just a matter of seconds to minutes, called a gamma-ray burst (GRB). March 15, 2007

SIM PlanetQuest To Predict Date Of Cosmic Collision - Scientists plan to pin down the date of a galactic collision billions of years in our future by first reaching back to the Big Bang, a feat that will be made possible by the extreme precision of NASA's planned SIM PlanetQuest mission. March 14, 2007

New Stars shed Light On The Past - A new image from the Hubble Space Telescope shows N90, one of the star-forming regions in the Small Magellanic Cloud. March 13, 2007

Chandra Examines Jupiter During New Horizons Approach - On February 28, 2007, NASA's New Horizons spacecraft made its closest approach to Jupiter on its ultimate journey to Pluto. This flyby gave scientists a unique opportunity to study Jupiter using the package of instruments available on New Horizons ... March 9, 2007

Gas Giants Jump Into Planet Formation Early - Gas-giant planets like Jupiter and Saturn form soon after their stars do, according to new research. March 7, 2007

STEREO Panoramic Images Improve Solar Storm Tracking - The latest panoramic images from National Aeronautics and Space Administration's (NASA) twin STEREO (Solar Terrestrial Relations Observatory) spacecraft enable scientists to track solar storms from the sun to the Earth for the first time. March 6, 2007

NASA Spacecraft Gets Boost From Jupiter For Pluto Encounter - NASA's New Horizons spacecraft successfully completed a flyby of Jupiter using the massive planet's gravity to pick up speed for its 3-billion mile voyage to Pluto and the unexplored Kuiper Belt region beyond. March 5, 2007

Detector To Hunt For Organic Molecules During Proposed 2013 Mission - NASA has announced $750,000 in funding for development of an instrument to detect signs of life on Mars proposed by a scientist at Scripps Institution of Oceanography at UC San Diego. March 2, 2007

Quasar Light Variability Linked To Black Hole Mass - Quasars are some of the most luminous and distant objects in the universe and appear to have something in common with ordinary light bulbs, say researchers at the University of Illinois at Urbana-Champaign and at the National Center for Supercomputing Applications. February 28, 2007

X-ray Observatory Reveals A Magnetic Surprise - ESA's X-ray observatory XMM-Newton has revealed evidence for a magnetic field in space where astronomers never expected to find one. February 27, 2007

Spitzer Seeks Out Milky Way Dark Matter - Our Milky Way galaxy is heavier than it looks, and it's not too much ice cream, or cookies, that is responsible for the extra weight - it's "dark matter." February 26, 2007

Absence Of Water In Distant Planet's Atmosphere Surprises Astronomers - A team of astronomers led by Carl Grillmair (Spitzer Science Center) and David Charbonneau (Harvard-Smithsonian Center for Astrophysics) announced that they have directly measured the first spectrum from a known planet orbiting a distant star. February 23, 2007

Comet-chasing Rosetta Spacecraft All Set For Mars Swing-by - Rosetta, the European Space Agency's (ESA) spacecraft en route to comet 67P Churyumov Gerasimenko, is gearing up for a swing-by of Mars on 25th February 2007, which will help set it on the correct path to its final destination. February 22, 2007

High-Energy 'Relic' Wind Reveals Past Behavior Of Dead Stars - A team of astronomers from France and South Africa announced the first catalog of a new type of gamma-ray source, a dozen clouds of “relic” radiation from dead stars that reveal information about the energetic past of these celestial objects. February 21, 2007

Surprises From The Sun's South Pole - Although very close to the minimum of its 11-year sunspot cycle, the Sun showed that it is still capable of producing a series of remarkably energetic outbursts - ESA-NASA Ulysses mission revealed. February 20, 2007

Peering Into The Pillars Of Creation - A new look at the famous "Pillars of Creation" with NASA’s Chandra X-ray Observatory has allowed astronomers to peer inside the dark columns of gas and dust. February 19, 2007

Study Shows Moon In New Light - Light has been shed on the dark parts of the Moon with experiments by University of Edinburgh researchers simulating billions of years of lunar evolution. February 16, 2007

Introducing The 'Coolest' Spacecraft In The Universe - The European Space Agency's (ESA) Planck mission, which will study the conditions present in our Universe shortly after the Big Bang, is reaching an important milestone with the integration of instruments into the satellite at Alcatel Alenia Space in Cannes, France. February 14, 2007

Magnetic Explosions In The Distant Universe - A new theory to explain the high-energy gamma-ray emissions from collapsing stars has been put forward by an international team of researchers. Their results will be published shortly in the Monthly Notices of the RAS. February 13, 2007

NASA's Largest Space Telescope Mirror Will See Deeper Into Space - When scientists are looking into space, the more they can see, the easier it is to piece together the puzzle of the cosmos. The James Webb Space Telescope's mirror blanks have now been constructed. When polished and assembled, together they will form ... February 12, 2007

Astronomer Finds Closest Gravitational Lensing Galaxy - A giant elliptical galaxy seen in an image from the Hubble Space Telescope is the closest gravitational lens yet known, according to information released by the Hubble Heritage Project Tuesday (Feb. 6). February 9, 2007

Cassini Images Mammoth Cloud Engulfing Titan's North Pole - A giant cloud half the size of the United States has been imaged on Saturn’s moon Titan by the Cassini spacecraft. The cloud may be responsible for the material that fills the lakes discovered last year by Cassini's radar instrument. February 7, 2007

New Stars Shed Light On The Past - A new image taken with the Advanced Camera for Surveys onboard the NASA/ESA Hubble Space Telescope depicts bright blue newly formed stars that are blowing a cavity in the centre of a fascinating star-forming region known as N90. February 6, 2007

Hubble Sees An Extrasolar Planet’s Atmosphere - The powerful vision of NASA's Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star. February 5, 2007

Superbubble Of Supernova Remnants Caught In Act Of Forming - A superbubble in space, caught in the act of forming, can help scientists better understand the life and death of massive stars, say researchers at the University of Illinois at Urbana-Champaign. February 2, 2007

Supernova Remnant: A Star's Death Comes To Light - Using NASA's Chandra X-ray Observatory, scientists have created a stunning new image of one of the youngest supernova remnants in the galaxy. February 1, 2007

James Webb Space Telescope's 'Spine' Passes Health Tests - The "spine" of the James Webb Space Telescope, called the backplane, is in great health for space, according to scientists and engineers. January 31, 2007

Unexpected Cooling Effect In Saturn's Upper Atmosphere - UK researchers from University College London, along with colleagues from Boston University, have found that the hotter than expected temperature of Saturn's upper atmosphere is not due to the same mechanism that heats the atmosphere around the Earth's Northern Lights. January 29, 2007

The Jet Stream Of Titan - A pair of rare celestial alignments that occurred in November 2003 helped an international team of astronomers investigate the far-off world of Titan. January 27, 2007

Astronomers Map A Hypergiant Star's Massive Outbursts - Using NASA's Hubble Space Telescope and the W.M. Keck Observatory, Kameula, Hawaii, astronomers have learned that the gaseous outflow from one of the brightest super-sized stars in the sky is more complex than originally thought. January 26, 2007

Older Galaxy Pair Has Surprisingly Youthful Glow - A pair of interacting galaxies might be experiencing the galactic equivalent of a mid-life crisis. For some reason, the pair, called Arp 82, didn't make their stars early on as is typical of most galaxies. January 25, 2007

Superstrings Could Be Detectable As They Decay - Albert Einstein theorized long ago that moving matter would warp the fabric of four-dimensional space-time, sending out ripples of gravity called gravitational waves. January 24, 2007

Dwarf Planet Could Become A Comet - A small dwarf planet out past the orbit of Neptune could eventually become one of the brightest comets ever seen. Caltech professor Mike Brown presented his calculations during the annual meeting of the American Astronomical Society held in Seattle in early January. January 23, 2007

Integral Sees The Galactic Centre Playing Hide And Seek - The European Space Agency's gamma ray observatory Integral has caught the centre of our galaxy in a moment of rare quiet. A handful of the most energetic high-energy sources surrounding the black hole at the centre of the Galaxy had all faded into a temporary silence when Integral looked. January 22, 2007

Colliding White Dwarfs Could Create A Supergiant Star - Of all the stars in our galaxy, two classes, known as hydrogen-deficient and R Coronae Borealis are extremely rare. Only a few dozen have been discovered in our entire galaxy. January 21, 2007

Seven Or Eight Dwarf Galaxies Discovered Orbiting The Milky Way - An international team of scientists, which includes a Penn State astronomer, has discovered seven and perhaps eight dwarf galaxies orbiting Earth's home galaxy, the Milky Way. January 20, 2007

Eavesdropping On The Universe - Astronomers have proposed an improved method of searching for intelligent extraterrestrial life using instruments like one now under construction in Australia. January 19, 2007

First Detection Of A Planet-forming Disk Near Environment Of A Dying Star - Astronomers generally assume that the dusty disks where planets form are found around young stars in stellar nurseries. Now, for the first time, a planet-forming disk has been found in the environment of a dying star. January 18, 2007

NASA Selects Proposals For Future Mars Missions And Studies - NASA selected for concept study development two proposals for future robotic missions to Mars. These missions would increase understanding of Mars' atmosphere, climate and potential habitability in greater detail than ever before. January 17, 2007

Detector To Hunt For Organic Molecules During Proposed 2013 Mission - NASA has announced $750,000 in funding for development of an instrument to detect signs of life on Mars proposed by a scientist at Scripps Institution of Oceanography at UC San Diego. January 16, 2007

Group Of Galaxies Found To Bend The Light Of Remote Galaxies - The discovery of a new class of gravitational lenses, the groups of galaxies, by an international team of astronomers using the Canada-France-Hawaii Legacy Survey (CFHTLS), comes 20 years after the publication in January 1987 of the first image of a gravitational arc ... January 15, 2007

Mystery Cosmic Explosions - Scientists have discovered what appears to be a new kind of cosmic explosion, the subject of four articles in issue of Nature. They call the explosion a hybrid gamma-ray burst. January 14, 2007

Giant Radio Telescope Imaging Could Make Dark Matter Visible - The stars and gas which are seen in galaxies account for only a few percent of the gravitating material in the Universe. Most of the rest has remained stubbornly invisible and is now thought to be made of a new form of matter never yet seen on Earth. January 13, 2007

First Triple Quasar Discovered - Quasars are some of the brightest objects in the Universe, beaming radiation across billions of light-years of space. Astronomers now believe they’re the bright radiation from matter clogging up around an actively feeding supermassive black hole. January 12, 2007

Magellanic Clouds May Be Just Passing Through - The Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) are two of the Milky Way's closest neighboring galaxies. January 11, 2007

Star On A Hubble Diet - How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. January 10, 2007

Astronomers Detect Black Hole In tiny 'Dwarf' Galaxy - Astronomers have found evidence of a supermassive black hole at the heart of a dwarf elliptical galaxy about 54 million light years away from the Milky Way galaxy where Earth resides. January 9, 2007

Hubble Maps The Cosmic Web Of 'Clumpy' Dark Matter In 3-D - An international team of astronomers using NASA’s Hubble Space Telescope has created the first three-dimensional map of the large-scale distribution of dark matter in the universe. January 8, 2007

X-ray Evidence Supports Possible New Class Of Supernova - Recent observations have uncovered evidence that helps to confirm the identification of the remains of one of the earliest stellar explosions recorded by humans. January 7, 2007

Gamma-ray Observatory Catches New Erupting Black Hole - ESA's gamma-ray observatory, Integral, has spotted a rare kind of gamma-ray outburst. The vast explosion of energy allowed astronomers to pinpoint a possible black hole in our Galaxy. January 6, 2007

Black Hole Goes Where None Has Gone Before - Astronomers have found a black hole where few thought they could ever exist, inside a globular star cluster. January 5, 2007

Cassini Finds Liquid Lakes On Titan - Scientists report definitive evidence of the presence of lakes filled with liquid methane on Saturn's moon Titan in this week's journal Nature cover story. January 4, 2007

Astronomers Find First Ever Gamma Ray Clock - Astronomers using the H.E.S.S. telescopes have discovered the first ever modulated signal from space in Very High Energy Gamma Rays the most energetic such signal ever observed. January 3, 2007

Negative Vibes From Space - Astronomers have discovered the first negatively charged molecule in space, identifying it from radio signals that were a mystery until now. January 2, 2007

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