Astronomers prove existence of black hole event horizon
Posted: Tue, Jan 10 7:36 AM ET (1236 GMT)
Astronomers said Monday that they have proven the existence of the event horizon, the "point of no return" that surrounds black holes. An MIT and...

MDA shifts Radarsat-2 launch to Soyuz
Posted: Tue, Jan 10 7:14 AM ET (1214 GMT)
MacDonald, Dettwiler and Associates (MDA), the Canadian company that is the prime contractor on the Radarsat-2 satellite, has shifted the launch of the spacecraft...

United Launch Alliance wins preliminary approval
Posted: Mon, Jan 9 6:46 AM ET (1146 GMT)
Defense Department officials have given preliminary approval to the proposed merger of Boeing and Lockheed Martin's government launch operations, the Wall Street Journal reported...

Report: Genesis spacecraft test skipped
Posted: Mon, Jan 9 6:39 AM ET (1139 GMT)
Lockheed Martin engineers skipped a test that could have caught a problem with NASA's Genesis spacecraft, according to a newspaper report. The Rocky Mountain...

Astronomers measure size of Charon
Posted: Mon, Jan 9 6:32 AM ET (1132 GMT)
Astronomers announced last week that they used a stellar occultation to measure the size of Charon, Pluto's largest moon, and confirm that the world...

Topex/Poseidon mission ends
Posted: Fri, Jan 6 8:17 AM ET (1317 GMT)
Topex/Poseidon, a joint US-French earth sciences mission, officially ended Thursday because of spacecraft problems. The spacecraft, launched in 1992, was designed to operate...

NASA makes deal for Soyuz rides
Posted: Fri, Jan 6 8:05 AM ET (1305 GMT)
NASA has signed an agreement with the Russian space agency Roskosmos to purchase seats on Soyuz flights for a little over $20 million each, agency...

ORBCOMM raises $110 million
Posted: Thu, Jan 5 7:45 AM ET (1245 GMT)
Satellite communications company ORBCOMM announced Wednesday that it has closed a $110-million round of financing that will allow the company to deploy a new...

Arianespace announces launch contract, 2005 profit
Posted: Thu, Jan 5 7:35 AM ET (1235 GMT)
Launch services provider Arianespace said Wednesday that it has won a contract to launch a military communications satellite and also reported a small profit in...

Pluto colder than expected
Posted: Wed, Jan 4 7:14 AM ET (1214 GMT)
The surface of the distant planet Pluto is about ten degrees colder than its moon, evidence of different compositions for the two objects. Millimeter-wave...