Kepler finds solar system of three small exoplanets
Posted: Thu, Jan 12 9:02 AM ET (1402 GMT)
Scientists analyzing data collected by NASA's Kepler planet-hunting spacecraft have discovered a solar system consisting of three of the smallest exoplanets yet discovered....

Astronomers estimate more planets than stars in our galaxy
Posted: Thu, Jan 12 8:41 AM ET (1341 GMT)
The number of planets in our galaxy likely exceeds the number of stars, putting the total number of worlds at over 100 billion, astronomers reported...

VLA radio telescope renamed after astronomer
Posted: Wed, Jan 11 7:25 PM ET (0025 GMT)
The Very Large Array (VLA) radio telescope in New Mexico has been renamed after a pioneering radio astronomer, but will retain the VLA as part...

Russian officials suggest foreign sabotage responsible for Phobos-Grunt failure
Posted: Wed, Jan 11 11:45 AM ET (1645 GMT)
The head of the Russian space agency Roscosmos said Tuesday that the failure of that country's latest Mars mission may have been caused by...

Astronomers unveil largest-ever dark matter map
Posted: Tue, Jan 10 9:35 AM ET (1435 GMT)
Astronomers released on Monday the largest map yet compiled of dark matter in the universe, matching previous predictions of its distribution. The Canada-France-Hawaii...

China launches remote sensing satellite
Posted: Tue, Jan 10 9:20 AM ET (1420 GMT)
A Long March rocket placed a Chinese remote sensing satellite into orbit Monday for the first launch of 2012. The Long March 4B rocket lifted...

Mars Science Lab prepares for course correction
Posted: Sun, Jan 8 8:55 AM ET (1355 GMT)
NASA's Mars Science Laboratory (MSL) spacecraft is scheduled to perform a course correction this week that will put the probe on track for a...

Phobos-Grunt reentry predicted for mid-January
Posted: Wed, Jan 4 1:35 PM ET (1835 GMT)
Russian officials said Wednesday they now expect the Phobos-Grunt spacecraft, launched two months ago on a mission to Mars, to reenter on or around...

Second GRAIL spacecraft arrives in lunar orbit
Posted: Sun, Jan 1 8:55 PM ET (0155 GMT)
Just over a day after the first of two NASA spacecraft went into orbit around the Moon, its twin successfully entered lunar orbit. The Gravity...

First GRAIL spacecraft enters orbit
Posted: Sat, Dec 31 10:21 PM ET (0321 GMT)
The first of NASA's twin lunar spacecraft entered orbit around the Moon on Saturday. The Gravity Recovery And Interior Laboratory (GRAIL) A spacecraft fired...