Mars has liquid core
Posted: Fri, Mar 7 10:38 AM ET (1538 GMT)
Planetary scientists reported Thursday that they believe the planet Mars has a molten core like the Earth and Venus, a discovery that could mean the...

Columbia investigators hold first public hearing
Posted: Fri, Mar 7 10:25 AM ET (1525 GMT)
The Columbia Accident Investigation Board (CAIB) held its first public hearing Thursday, taking testimony from both current and former NASA officials. During the hearing, held...

Sirius wins approval for refinancing plan
Posted: Thu, Mar 6 10:44 AM ET (1544 GMT)
Satellite radio company Sirius announced Wednesday that over 90 percent of its debtholders have approved a plan to convert their debt into stock, a key...

Columbia investigation board adds three experts
Posted: Thu, Mar 6 10:34 AM ET (1534 GMT)
NASA announced late Wednesday that it has approved a request from the Columbia Accident Investigation Board (CAIB) to add three people, including a former astronaut...

Boeing and Hughes reach settlement over export violations
Posted: Wed, Mar 5 8:20 PM ET (0120 GMT)
The Boeing Company and Hughes Electronics have reached a deal with the US State Department regarding claims that the two companies illegally transferred sensitive technologies...

Shuttle debris shows evidence of extreme heating on left wing
Posted: Wed, Mar 5 8:07 PM ET (0107 GMT)
Analysis of shuttle debris shows that the interior of Columbia's left wing was subjected to extremely high temperatures during reentry, the latest evidence that...

US aerospace employment at 50-year low
Posted: Wed, Mar 5 12:09 AM ET (0509 GMT)
The number of people in the United States employed by the aerospace industry has dropped to the lowest levels in a half-century, an industry...

Gravity Probe B faces delays, possible cancellation
Posted: Wed, Mar 5 12:01 AM ET (0501 GMT)
Gravity Probe B, a NASA mission to test Einstein's theory of relativity that has been more than four decades in the making, faces a...

Chinese scientists planning series of lunar missions
Posted: Mon, Mar 3 8:38 AM ET (1338 GMT)
China may embark on a series of unmanned missions to the Moon if the government signs off on an exploration program proposed by Chinese scientists,...

O'Keefe declines board request to reassign shuttle personnel
Posted: Sat, Mar 1 8:19 PM ET (0119 GMT)
NASA administrator Sean O'Keefe informed the Columbia Accident Investigation Board (CAIB) Friday that he will not honor a board request to reassign several shuttle...