Cassini detects lightning, radiation belt at Saturn
Posted: Sun, Aug 8 10:06 AM ET (1406 GMT)
NASA's Cassini spacecraft has observed lightning in the atmosphere of Saturn and also discovered a new radiation belt surrounding the planet, scientists announced Thursday....

Hubble instrument shuts down
Posted: Sat, Aug 7 9:52 AM ET (1352 GMT)
One of four instruments on the Hubble Space Telescope has shut down because of a technical problem, NASA announced late Friday. The Space Telescope Imaging...

Satellite problem could jeopardize PanAmSat sale
Posted: Fri, Aug 6 8:58 AM ET (1258 GMT)
A problem announced Thursday with a PanAmSat satellite could threaten the planned sale of the satellite operator to private equity firms. PanAmSat announced that a...

NASA to keep TRMM mission alive
Posted: Thu, Aug 5 9:18 PM ET (0118 GMT)
In an about-face, NASA announced late Thursday that it would continue operating an earth sciences spacecraft that the agency said last month would be...

Da Vinci Project announces X Prize launch
Updated: Thu, Aug 5 6:14 PM ET (2214 GMT)
Originally Posted: Thu, Aug 5 1:54 PM ET (1754 GMT)
The da Vinci Project, a Canadian entrant into the Ansari X Prize competition, announced Thursday that it plans to make the first of two X...

Mars rovers suffer glitches
Posted: Thu, Aug 5 1:29 PM ET (1729 GMT)
NASA's twin Mars Exploration Rovers, operating on the surface of the Red Planet for over six months, are starting to encounter problems that may...

Proton launches Amazonas satellite
Posted: Thu, Aug 5 10:29 AM ET (1429 GMT)
A Russian Proton rocket launched a Spanish communications satellite late Wednesday. The Proton-M lifted off from the Baikonur Cosmodrome on schedule at 6:32...

Los Alamos investigation could delay Pluto mission
Posted: Wed, Aug 4 7:44 PM ET (2344 GMT)
A work stoppage at a national laboratory that processes plutonium could delay the launch of a NASA mission to Pluto, NASA officials said Tuesday. All...

ISS spacewalk a success
Posted: Tue, Aug 3 2:16 PM ET (1816 GMT)
The crew of the International Space Station performed a spacewalk Tuesday morning, completing their tasks ahead of schedule despite a communications glitch. Gennady Padalka and...

Delta launches MESSENGER
Posted: Tue, Aug 3 10:12 AM ET (1412 GMT)
A Delta 2 successfully launched NASA's first mission to Mercury in three decades on Tuesday. The Delta 2 7925H lifted off from pad 17B...