Arsenic microbe discovery has implications for astrobiology
Posted: Fri, Dec 3 7:10 AM ET (1210 GMT)
NASA-supported researchers announced Thursday the discovery of a terrestrial microbe that make use of the element arsenic, a discovery that could have implications for...

Astronomers triple estimated number of stars in universe
Posted: Thu, Dec 2 6:50 AM ET (1150 GMT)
The total number of stars in the universe may be three times larger than previously thought, thanks to a better understanding of the number of...

"Super-Earth" exoplanet has hazy or steamy atmosphere
Posted: Thu, Dec 2 6:38 AM ET (1138 GMT)
Astronomers performing the first study of the composition of the atmosphere of a "super-Earth" exoplanet believe that world's atmosphere is either hazy or...

Air Force prepares for X-37 landing
Posted: Wed, Dec 1 6:19 AM ET (1119 GMT)
The Air Force announced late Tuesday it is planning to land a robotic military spaceplane in the coming days. The X-37B is slated to...

O3b secures funding for satellite system
Posted: Mon, Nov 29 1:57 PM ET (1857 GMT)
O3b Networks announced Monday that it has raised $1.2 billion, enough to fund development of its broadband satellite constellation. The company, based in the...

Ariane launches two satellites
Posted: Sun, Nov 28 10:14 AM ET (1514 GMT)
An Ariane 5 rocket successfully launched a pair of satellites Friday for an established satellite operator and a European startup. The Ariane 5 ECA lifted...

Soyuz spacecraft returns to Earth
Posted: Fri, Nov 26 10:22 AM ET (1522 GMT)
A Soyuz spacecraft carrying three ISS crewmembers safely landed early Friday in Kazakhstan. The Soyuz TMA-19 spacecraft landed northeast of Arkalyk, Kazakhstan, as planned...

NASA postpones shuttle launch to at least mid-December
Posted: Thu, Nov 25 9:43 AM ET (1443 GMT)
NASA shuttle managers announced Wednesday they were delaying the launch of the shuttle Discovery once again, this time to no earlier than mid-December, as...

China launches communications satellite
Posted: Thu, Nov 25 9:34 AM ET (1434 GMT)
China launched Thursday a communications satellite believed to be dedicated to military applications. The Long March 3A rocket lifted off from the Xichang Satellite Launch...

SpaceX receives commercial reentry license
Posted: Tue, Nov 23 7:00 AM ET (1200 GMT)
SpaceX announced Monday that it has received a reentry license for its Dragon spacecraft, a key regulatory milestone towards the first demonstration flight of its...