NASA reverses shuttle rollback
Posted: Tue, Aug 29 8:07 PM ET (0007 GMT)
In an unprecedented move, shuttle managers halted the rollback of the shuttle Atlantis to the Vehicle Assembly Building and decided to return the shuttle to...

NASA rolls back Atlantis
Posted: Tue, Aug 29 2:33 PM ET (1833 GMT)
NASA shuttle managers decided Tuesday to roll the space shuttle Atlantis back to the Vehicle Assembly Building because of the threat posed by an approaching...

Tuesday shuttle launch attempt scrubbed; rollback planned
Posted: Mon, Aug 28 1:56 PM ET (1756 GMT)
NASA announced Monday morning that it had scrubbed a planned Tuesday launch attempt for the shuttle Atlantis and was making preparations to roll the orbiter...

Shuttle launch delayed further
Posted: Sun, Aug 27 2:52 PM ET (1852 GMT)
NASA has delayed the launch of the shuttle Atlantis at least one additional day, to Tuesday, to continue inspections of the orbiter after a lightning...

Shuttle launch delayed a day
Posted: Sat, Aug 26 6:25 PM ET (2225 GMT)
NASA announced Saturday afternoon that it was delaying the launch of the shuttle Atlantis at least a day to further investigate possible damage to the...

Shuttle on track for Sunday launch
Posted: Fri, Aug 25 8:05 PM ET (0005 GMT)
NASA officials said Friday that all systems are go for Sunday's launch of the space shuttle Atlantis on a mission to the International Space...

Astronomers demote Pluto
Posted: Thu, Aug 24 9:17 PM ET (0117 GMT)
Astronomers voted Thursday on a formal definition of the term "planet" that will leave the solar system with only eight such bodies, having relegated the...

Russia, China planning joint Mars mission
Posted: Thu, Aug 24 8:05 AM ET (1205 GMT)
Russia and China are planning to cooperate on a robotic Mars mission later this decade that could be the first to return Mars samples to...

NASA unveils new CEV name ahead of schedule
Posted: Wed, Aug 23 8:33 AM ET (1233 GMT)
NASA confirmed late Tuesday that the Crew Exploration Vehicle (CEV) will be known as "Orion", an announcement made a week and a half ahead of...

New planet definition could demote Pluto
Posted: Wed, Aug 23 8:25 AM ET (1225 GMT)
Less than a week after astronomers proposed a definition for the term "planet" that could increase the solar system's total to at least 12,...