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The collision of entire clusters of galaxies has helped set the firmest limit yet on the amount of antimatter in the universe
Breaking News - 19:57 02 September 2008
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Charged particles are being accelerated to near-light speeds by a doughnut-shaped magnetic field around the nebula's famous pulsar
Breaking News - 21:04 28 August 2008
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After two massive galaxy clusters collided, their gas slowed down but their dark matter continued on unimpeded
Breaking News - 23:07 27 August 2008
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The cores of a motley crew of nearby dwarf galaxies all weigh about 10 million Suns, suggesting galaxies need at least that much mass to form
Breaking News - 18:55 27 August 2008
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After taking its first data, the NASA telescope formerly known as GLAST is renamed for the late Nobel laureate Enrico Fermi
Breaking News - 22:25 26 August 2008
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The most massive distant cluster of galaxies has been found – such monsters could help reveal the distribution of matter after the big bang
Breaking News - 22:59 25 August 2008
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Long streamers of gas ejected by a galaxy called NGC 1275 can only be held together by magnetic fields, Hubble images suggest
Breaking News - 20:07 20 August 2008
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Rocky planets can form without metallic cores, a new study suggests – they would lack magnetic fields, which are crucial for life as we know it
Breaking News - 15:07 20 August 2008
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The Sloan Digital Sky Survey has entered a new phase, probing to greater distances to study the universe's expansion history
Breaking News - 16:20 15 August 2008
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After operating for several months in constant darkness, the PLATO observatory has abruptly lost power – it may revive when the Sun returns
Breaking News - 21:01 13 August 2008
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To celebrate the telescope's 100,000th orbit of Earth, astronomers release an image of a star-forming nebula
Breaking News - 19:17 11 August 2008
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Planetary systems like ours formed just 1% of the time in a new computer model of planet-forming discs
Breaking News - 19:13 07 August 2008
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The star Eta Carinae, which at times brightens like a supernova, also dims every 5.5 years – it has begun the process earlier than expected
Breaking News - 16:17 07 August 2008
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Astronomers think an eerily lit cloud called Voorwerp may be a ghostly 'light echo' from a once-gluttonous black hole
Breaking News - 18:07 05 August 2008
The very first stars were giants weighing 100 Suns – they coalesced out of primordial gas about 300 million years after the big bang
Breaking News - 19:00 31 July 2008
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If they had super-powerful telescopes, it might look like what the Deep Impact probe recently saw from its vantage point 50 million km away
Breaking News - 00:40 18 July 2008
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The Milky Way's current record holder, Eta Carinae, has some competition in the Peony nebula star
Breaking News - 22:13 15 July 2008
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Astronomers have finished building a detector called ANTARES under the Mediterranean Sea – it will look through the Earth at the southern sky
Breaking News - 16:37 14 July 2008
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The massive, rocky worlds – even those orbiting searingly close to their stars – may provide the right conditions for life
Breaking News - 16:44 11 July 2008
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While observing our own Milky Way, Hubble accidentally imaged star clusters in a distant galaxy that appear puzzlingly red
Breaking News - 23:55 08 July 2008
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The faint, twisting ribbon is actually a fast-moving shock wave from a supernova that exploded in the Middle Ages
Breaking News - 00:00 02 July 2008
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A NASA mission to study dark energy may be too expensive to begin in 2009, as planned
Breaking News - 17:18 01 July 2008
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A new study of nearly a million galaxies suggests matter in the universe is distributed in a fractal pattern
Breaking News - 00:00 25 June 2008
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Dense regions of dark matter in the early universe may have stunted the growth of the first stars – some could still be burning today
Breaking News - 17:41 24 June 2008
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Exoplanet discoveries are streaming in thanks to technological advances – a third of Sun-like stars may host planets a few times heftier than Earth
Breaking News - 16:01 16 June 2008
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New experiments are being proposed to test a big unknown in physics: how antimatter reacts to gravity
Breaking News - 00:03 12 June 2008
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The GLAST satellite will observe the deaths of massive stars and might even pin down the nature of dark matter
Breaking News - 17:21 11 June 2008
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Colossal structures larger than the observable universe may be responsible for a strange pattern seen in the big bang's afterglow
Breaking News - 01:01 10 June 2008
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In a collision of astrophysics and algebra, a study of cosmic mirages known as gravitational lenses completes a mathematical theorem
Breaking News - 08:00 05 June 2008
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Astronomers have long believed that our galaxy possesses four spiral arms, but two have failed to turn up in a new star survey
Breaking News - 22:47 03 June 2008
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The mysterious cosmic force should leave an imprint on the big bang's afterglow – astronomers think they've seen it in the best detail yet
Breaking News - 19:40 23 May 2008
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It's not too soon to start thinking about how to keep extrasolar planets free of terrestrial life, a new paper argues
Breaking News - 16:34 23 May 2008
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A new study bolsters the idea that quantum fuzziness smoothes out a black hole's destructive 'singularity', allowing information to escape
Breaking News - 16:28 16 May 2008
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Measurements of a distant galaxy's gas suggest the universe was about three times warmer 11 billion years ago than it is today
Breaking News - 19:14 15 May 2008
