First Earth Trojan asteroid discovered
Posted: Thu, Jul 28 9:36 AM ET (1336 GMT)
Astronomers sifting through data from a NASA satellite have discovered the first "Trojan" asteroid sharing the same general orbit as the Earth. Astronomers found the...

China launches navigation satellite
Posted: Wed, Jul 27 6:47 AM ET (1047 GMT)
A Long March rocket placed the latest spacecraft for China's satellite navigation system into orbit on Wednesday. The Long March 3A rocket lifted off...

NASA selects Mars rover landing site
Posted: Sat, Jul 23 7:38 AM ET (1138 GMT)
NASA's next Mars rover will land in a large crater that features a mountain the rover will climb, project scientists announced Friday. The Mars...

Atlantis lands, ending shuttle era
Posted: Thu, Jul 21 7:55 AM ET (1155 GMT)
The space shuttle Atlantis landed in Florida Thursday morning, ending the final mission in the 30-year shuttle program. Atlantis landed at the Kennedy Space...

Fourth moon discovered around Pluto
Posted: Thu, Jul 21 5:22 AM ET (0922 GMT)
Astronomers using the Hubble Space Telescope have found a fourth moon orbiting the dwarf planet Pluto, they announced Wednesday. The moon, officially designated S/2011 (...

ULA signs CCDev agreement for Atlas 5
Posted: Wed, Jul 20 7:07 AM ET (1107 GMT)
NASA and United Launch Alliance (ULA) signed an agreement Monday to continue studying human-rating the Atlas 5 rocket for commercial crew spacecraft. Under the...

Shuttle undocks from ISS for the final time
Posted: Tue, Jul 19 6:59 AM ET (1059 GMT)
The space shuttle Atlantis undocked from the International Space Station early Tuesday, ending the final visit of a shuttle to the ISS. Atlantis undocked from...

Russia launches radio astronomy satellite
Posted: Tue, Jul 19 6:48 AM ET (1048 GMT)
A Zenit rocket successfully launched a long-delayed Russian radio astronomy satellite on Monday. The Zenit-3M rocket lifted off from the Baikonur Cosmodrome at...

Dawn enters orbit around Vesta
Posted: Sun, Jul 17 10:48 AM ET (1448 GMT)
NASA's Dawn spacecraft has entered orbit around the large main-belt asteroid Vesta, the space agency announced early Sunday. Dawn achieved orbit around Vesta...

Delta 4 launches GPS satellite
Posted: Sat, Jul 16 9:05 AM ET (1305 GMT)
A Delta 4 rocket, delayed two days by technical and weather issues, successfully launched a GPS satellite early Saturday. The Delta 4 Medium+ 4,2...