Orbital wins multisatellite order
Posted: Thu, May 10 8:51 AM ET (1251 GMT)
Orbital Sciences Corporation announced this week that it won an order for as many as five communications satellites from SES Americom. The contract includes firm...

Mars spacecraft delivered to Florida for launch
Posted: Wed, May 9 8:38 AM ET (1238 GMT)
A NASA Mars lander scheduled for launch in August arrived at the Kennedy Space Center earlier this week to begin launch preparations. A C-17...

Queen visits NASA Goddard
Posted: Wed, May 9 8:32 AM ET (1232 GMT)
The Queen of England visited NASA's Goddard Space Flight Center on Tuesday and participated in a teleconference with the crew of the International Space...

Chandra sees most powerful supernova ever
Posted: Tue, May 8 8:10 AM ET (1210 GMT)
Astronomers using the Chandra X-Ray Observatory have detected what they believe to be the most powerful supernova explosion ever, one that outshone its host...

Spacecraft finds its first exoplanet
Posted: Mon, May 7 8:27 AM ET (1227 GMT)
A French spacecraft launched late last year has discovered its first extrasolar planet, raising hopes that the satellite will be able to discover smaller, Earth-...

Ariane launches two satellites
Posted: Sat, May 5 10:15 AM ET (1415 GMT)
An Ariane 5 launched two commercial communications satellites Friday evening after a one-day delay. The Ariane 5 ECA lifted off from Kourou, French Guiana,...

Mercury has molten core
Posted: Sat, May 5 10:03 AM ET (1403 GMT)
Scientists have determined that the core of innermost planet Mercury is most likely molten, a discovery that may explain why the planet is able to...

Winds delay Ariane launch
Posted: Fri, May 4 8:23 AM ET (1223 GMT)
Gusty high-altitude winds delayed Thursday's scheduled launch of two communications satellites on an Ariane 5. The Ariane 5ECA was scheduled to lift off...

Wally Schirra passes away
Posted: Thu, May 3 8:40 PM ET (0040 GMT)
Walter "Wally" Schirra, a member of the original group of NASA astronauts and the only one to fly on Mercury, Gemini, and Apollo missions, passed...

Train carrying shuttle SRB segments derails
Posted: Thu, May 3 7:42 AM ET (1142 GMT)
A train carry shuttle solid rocket booster (SRB) segments for use on a launch later this year derailed Wednesday, injuring several people. The train, en...