STS-121 countdown begins
Posted: Thu, Jun 29 1:56 PM ET (1756 GMT)
The countdown for Saturday's launch of the shuttle Discovery started Wednesday, with potential stormy weather the only major issue facing shuttle managers. NASA started...

Delta 4 launches NRO satellite from California
Posted: Wed, Jun 28 7:58 AM ET (1158 GMT)
A Delta 4 launched a classified National Reconnaissance Office (NRO) satellite late Tuesday evening, the first launch for that vehicle from California. The Delta 4...

NASA reassigns shuttle official
Posted: Tue, Jun 27 8:03 AM ET (1203 GMT)
NASA abruptly reassigned an astronaut who had been serving as a key official with oversight of the safety of the pending shuttle mission. Charles Camarda,...

Progress docks with ISS
Posted: Tue, Jun 27 7:45 AM ET (1145 GMT)
A Progress spacecraft carrying cargo for the International Space Station docked with the orbiting outpost on Monday. The Progress M-57 spacecraft (called Progress 22...

Russia launches military spacecraft
Posted: Mon, Jun 26 7:35 AM ET (1135 GMT)
A Tsiklon rocket launched a classified Russian military satellite Sunday morning. The Tsiklon 2 rocket lifted off from the Baikonur Cosmodrome at 12 am EDT (...

Progress launched to ISS
Posted: Mon, Jun 26 7:29 AM ET (1129 GMT)
Russia launched an unmanned Progress cargo spacecraft to the International Space Station on Saturday. The Soyuz rocket, carrying the Progress M-57 spacecraft (called Progress...

Hubble camera malfunctions
Posted: Mon, Jun 26 7:22 AM ET (1122 GMT)
The major camera on the Hubble Space Telescope malfunctioned last week, although instrument engineers are optimistic that the problem can be resolved. The Advanced Camera...

Names assigned to new Pluto moons
Posted: Fri, Jun 23 7:37 AM ET (1137 GMT)
Two small moons found last year around the planet Pluto were assigned permanent names this week. The moons, designated S/2005 P 1 and S/...

Delta 2 launches military technology satellite
Posted: Thu, Jun 22 8:08 AM ET (1208 GMT)
A Delta 2 successfully launched Wednesday a military satellite designed to test the use of off-the-shelf components in space. The Delta 2 lifted...

NASA officials explain opposition to shuttle launch decision
Posted: Thu, Jun 22 7:57 AM ET (1157 GMT)
Two top NASA officials said Wednesday that they voted "no-go" in a review for the launch of the next shuttle mission out of concern...