Sierra Nevada completes CCDev-2 agreement with NASA
Posted: Tue, Dec 17 7:41 AM ET (1241 GMT)
Sierra Nevada Corporation announced Monday that NASA has signed off on the final milestone of an earlier commercial crew agreement with the company, a glide...

Chang'e-3 lander deploys rover
Posted: Sun, Dec 15 10:48 AM ET (1548 GMT)
China's Chang'e-3 spacecraft deployed its Yutu rover early Sunday, several hours after landing. The rover rolled off a transporter ramp that had...

ISS coolant problem delays Cygnus launch
Posted: Sun, Dec 15 10:02 AM ET (1502 GMT)
NASA and Orbital Sciences announced Saturday that the launch of a Cygnus cargo spacecraft to the International Space Station (ISS) will be delayed at least...

Chang'e-3 lands on the Moon
Posted: Sat, Dec 14 10:27 AM ET (1527 GMT)
China's Chang'e-3 spacecraft successfully landed on the Moon on Saturday, the first spacecraft to soft-land on the Moon in more than...

NASA selects SpaceX for LC-39A lease
Posted: Sat, Dec 14 9:55 AM ET (1455 GMT)
NASA announced Friday that it will begin negotiations with SpaceX for the lease of Launch Complex 39A (LC-39A), a day after another government agency...

Hubble observes geysers erupting from Europa
Posted: Fri, Dec 13 7:49 AM ET (1249 GMT)
Planetary scientists said Thursday they have detected evidence in Hubble Space Telescope data of geysers of water erupting from the icy surface of Jupiter's...

GAO rejects Blue Origin protest of LC-39A lease process
Posted: Fri, Dec 13 7:29 AM ET (1229 GMT)
The Government Accountability Office (GAO) announced Thursday that it has rejected a protest filed in September by Blue Origin regarding NASA's process to lease...

Coolant system problem disrupts operations on ISS
Posted: Thu, Dec 12 6:57 AM ET (1157 GMT)
A problem with one of two coolant loops on the International Space Station forced the crew to shut down some systems on Wednesday, but does...

Scientists declare Comet ISON dead after flyby of Sun
Posted: Thu, Dec 12 6:48 AM ET (1148 GMT)
Planetary scientists said this week that they believe Comet ISON did not survive its close approach to the Sun on Thanksgiving Day, and was likely...

Mars One announces study contracts for robotic precursor mission
Posted: Wed, Dec 11 6:40 AM ET (1140 GMT)
A Dutch venture that seeks to send humans to Mars next decade on one-way missions announced contracts Tuesday with two major aerospace companies to...