Final STS-117 spacewalk a success
Posted: Mon, Jun 18 8:26 AM ET (1226 GMT)
Two shuttle astronauts completed the fourth and final spacewalk of the STS-117 mission on Sunday, putting the final touches on the installation of a...

Eris heavier than Pluto
Posted: Mon, Jun 18 8:13 AM ET (1213 GMT)
Planetary scientists have found that the dwarf planet Eris, located in the distant Kuiper Belt, is more massive than Pluto, the former planet that was...

New evidence for past Martian ocean
Posted: Sun, Jun 17 10:20 AM ET (1420 GMT)
A broad flat plain in the northern regions of Mars likely was once home to an ocean of liquid water, scientists reported this week. The...

Cosmonauts get some ISS computers working
Posted: Sat, Jun 16 11:11 AM ET (1511 GMT)
Two Russian cosmonauts on the International Space Station, working with engineers on the ground, were able to partially restore key computer systems on the Russian...

Spacewalkers repair shuttle, retract solar panel
Posted: Sat, Jun 16 10:59 AM ET (1459 GMT)
A pair of shuttle astronauts performed an EVA Friday, repairing a thermal blanket on the shuttle and helping complete the retraction of a solar panel...

Atlas launches spysats, places them in wrong orbit
Posted: Fri, Jun 15 9:43 PM ET (0143 GMT)
An Atlas 5 lifted off Friday morning carrying two classified satellites, but apparently placed the spacecraft in the wrong orbit. The Atlas 5 401 lifted...

ISS troubleshooting continues as spacewalk planned
Posted: Fri, Jun 15 8:21 AM ET (1221 GMT)
Astronauts on the ISS and engineers on the ground are continuing to work on computer problems in the Russian segment of the station as two...

Dnepr launches German satellite
Posted: Fri, Jun 15 8:05 AM ET (1205 GMT)
A Dnepr rocket launched a German radar satellite early Friday. The Dnepr lifted off from a silo at the Baikonur Cosmodrome at 10:14 pm...

Range problem scrubs Atlas launch
Posted: Thu, Jun 14 7:21 PM ET (2321 GMT)
An Atlas 5 launch of a classified payload was postponed Thursday because of a problem with range safety systems. The Atlas 5 401 was scheduled...

Second EVA completed; ISS computers malfunction
Posted: Thu, Jun 14 7:45 AM ET (1145 GMT)
Shuttle astronauts completed a second spacewalk outside the ISS on Wednesday while engineers tried to troubleshoot computer glitches on the station that could force the...