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,...

Astronomers find direct evidence for dark matter
Posted: Wed, Aug 23 8:15 AM ET (1215 GMT)
Astronomers using the Chandra X-Ray Observatory and other telescopes have found what they call "direct evidence" to support the existence of the mysterious dark...

Zenit launches Korean satellite
Posted: Tue, Aug 22 8:46 AM ET (1246 GMT)
A Zenit 3SL successfully launched a South Korean communications satellite Monday night. The Sea Launch Zenit 3SL lifted off from the Odyssey launch platform on...