New studies refute earlier arsenic life claims
Posted: Tue, Jul 10 7:49 AM ET (1149 GMT)
Two studies released late Sunday refute earlier claims by NASA-funded researchers of the discovery of a bacterium that could thrive on arsenic instead of...

Ariane launches communications, weather satellites
Posted: Fri, Jul 6 10:36 AM ET (1436 GMT)
An Ariane 5 rocket launched a commercial communications satellite and a European weather satellite on Thursday evening. The Ariane 5 ECA lifted off from Kourou,...

Protoplanetary disk abruptly disappears
Posted: Thu, Jul 5 1:30 PM ET (1730 GMT)
A dust disk spotted around a young star just a few years ago has disappeared in the course of just a few years, puzzling astronomers....

First Orion capsule delivered to KSC
Posted: Tue, Jul 3 9:31 AM ET (1331 GMT)
The first flight version of NASA's Orion capsule arrived at the Kennedy Space Center Monday, where it will be prepared for a test launch...

Former NASA astronaut dies in accident
Posted: Tue, Jul 3 9:17 AM ET (1317 GMT)
A former NASA astronaut who flew on two Space Shuttle missions died Sunday in a jet ski accident. Alan "Dex" Poindexter died the jet ski...

Soyuz lands in Kazakhstan
Posted: Sun, Jul 1 1:54 PM ET (1754 GMT)
A Soyuz spacecraft carrying American, European, and Russian ISS crewmembers landed safely in Kazakhstan Sunday morning. The Soyuz TMA-03M spacecraft landed on target in...

Delta 4 Heavy launches NRO satellite
Posted: Sat, Jun 30 9:51 AM ET (1351 GMT)
A Delta 4 Heavy lifted off Friday morning carrying a classified satellite for the National Reconnaissance Office (NRO). The Delta 4 Heavy lifted off from...

Shenzhou-9 lands safely
Posted: Fri, Jun 29 7:03 AM ET (1103 GMT)
The Shenzhou-9 spacecraft landed safely in China early Friday, completing a 13-day mission that saw the crewed spacecraft dock with an orbiting lab...

Private group announces plan for asteroid mission
Posted: Fri, Jun 29 6:48 AM ET (1048 GMT)
A non-profit organization announced Thursday its plans to fly a spacecraft to search for potentially hazardous near Earth objects (NEOs). The B612 Foundation said...

Spectra allow astronomers to measure mass of exoplanet
Posted: Thu, Jun 28 7:05 AM ET (1105 GMT)
Astronomers announced this week that they have used spectroscopic observations of an extrasolar planet to directly measure its mass. Astronomers at the European Southern Observatory...