ATK and NASA sign agreement to support Liberty development
Posted: Wed, Sep 14 6:44 AM ET (1044 GMT)
Alliant Techsystems (ATK) and NASA signed an unfunded Space Act Agreement (SAA) on Tuesday to help development of a proposed rocket that could be used...

Astronomers announce discovery of dozens of exoplanets
Posted: Tue, Sep 13 7:51 AM ET (1151 GMT)
Astronomers announced Monday the discovery of 50 new extrasolar planets, or exoplanets, including a "super-Earth" that orbits on the edge of a star's...

Delta 2 launches GRAIL spacecraft
Posted: Sat, Sep 10 12:56 PM ET (1656 GMT)
A Delta 2 rocket successfully launched a pair of NASA spacecraft that will study the Moon's interior. The Delta 2 7920H lifted off from...

ATK tests five-segment motor
Posted: Sat, Sep 10 9:19 AM ET (1319 GMT)
Alliant Techsystems (ATK) successfully carried out Thursday the third test of a five-segment solid rocket motor that could be used for NASA's Space...

"Production fault" blamed for Soyuz launch failure
Posted: Fri, Sep 9 8:11 AM ET (1211 GMT)
Russian officials said Thursday that a one-time "production fault" caused the failure last month of a Soyuz rocket carrying a Progress cargo spacecraft to...

Weather, technical issues delay GRAIL launch
Updated: Fri, Sep 9 8:00 AM ET (1200 GMT)
Originally Posted: Thu, Sep 8 10:23 PM ET (0223 GMT)
Gusty upper-level winds forced NASA to postpone Thursday's scheduled launch of a lunar orbiter mission by a day, and technical concerns will delay...

Arianespace selected for satellite launch
Posted: Thu, Sep 8 8:10 AM ET (1210 GMT)
An Ariane 5 will launch a new communications satellite for Spanish company Hispasat in 2013, the companies announced Wednesday. Arianespace will launch the Amazonas-3...

Report: NASA should stabilize astronaut corps
Posted: Thu, Sep 8 8:05 AM ET (1205 GMT)
NASA should take steps to ensure that it has a sufficient number of astronauts to support the International Space Station and future exploration missions, a...

Blue Origin vehicle lost on test flight
Posted: Sat, Sep 3 9:49 AM ET (1349 GMT)
A test flight of a suborbital vehicle by secretive venture Blue Origin ended in failure last month, the company confirmed Friday. The Wall Street Journal...

Opportunity begins studies of Endeavour crater
Posted: Fri, Sep 2 2:07 PM ET (1807 GMT)
NASA's long-lived Mars rover Opportunity has started studying a large crater it recently reached, providing scientists with new insights into the planet. Among...