A ‘Lost Galaxy’ Found, Sun Science Stamps Arrive

First Global Topographic Model of Mercury

NASA’s MESSENGER mission has unveiled the first global Digital Elevation Model (DEM) of Mercury, revealing in stunning detail the topography across the entire innermost planet.

by David McGee

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Collapsing Star Gives Birth to a Black Hole

‘If future observations confirm this team’s findings, this would be the first birth of a black hole ever witnessed and the first failed supernova ever discovered’

by David McGee

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Investigating Stellar Shrapnel

Thousands of years ago, 160 light years away from Earth, a star exploded, scattering stellar shrapnel across the sky. The Hubble Space Telescope recently found evidence of the event.

by David McGee

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NASA’s Chandra Observatory Finds Cosmic Showers Halt Galaxy Growth

NASA's Chandra X-ray Observatory has uncovered surprising news about a process that is stifling star formation in a distant galaxy cluster. It's been going on for 7 billion years.

by David McGee

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‘Cry’ of a Shredded Star Heralds a New Era for Testing Relativity

‘This gives us an opportunity to explore the nature of black holes and test Einstein’s relativity at a time when the universe was very different than it is today,’ Last year, astronomers discovered a quiescent...

by David McGee

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Carl Sagan’s Pale Blue Dot

With more than one million views at present, this video of CARL SAGAN's eloquent, poetic meditation on 'the only home we've ever known' is even more timely and important than it was when published in 1994. To say it speaks for ...

by David McGee

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Countdown to Pluto

NASA’s Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.

by David McGee

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NASA’S Hubble Provides First Census of Galaxies Near Cosmic Dawn

DISTANT WORLDS--Using NASA's Hubble Space Telescope, astronomers have uncovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago.

by David McGee

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