Ariane 4 launches communications satellite
Posted: Sat, Jun 9 11:33 AM ET (1533 GMT)
An Ariane 4 booster successfully launched an Intelsat communications satellite early Saturday after a one-day delay. The Ariane 44L lifted off on Flight 141...

ISS crew completes first spacewalk
Posted: Sat, Jun 9 11:12 AM ET (1512 GMT)
Two members of the International Space Station Expedition Two crew completed their first spacewalk Friday, installing a docking apparatus in a section of the station....

NASA approves Mercury orbiter mission
Posted: Fri, Jun 8 10:52 AM ET (1452 GMT)
NASA gave the green light Thursday to development of the first spacecraft to orbit the planet Mercury. The Mercury Surface, Space Environment, Geochemistry and Ranging (...

Weather delays Ariane launch
Posted: Fri, Jun 8 10:28 AM ET (1428 GMT)
Poor weather conditions led Arianespace to scrub Friday morning's scheduled launch of an Intelsat communications satellite. An Ariane 44L was scheduled to lift off...

STS-104 launch delayed again
Posted: Thu, Jun 7 5:43 PM ET (2143 GMT)
The launch of the space shuttle Atlantis has been delayed again, but only by a few days, shuttle officials announced Thursday. Shuttle managers said the...

Senate report claims major mismanagement at NASA
Posted: Thu, Jun 7 5:32 PM ET (2132 GMT)
A report released Tuesday by a Senate committee listed NASA among the top ten agencies and programs with the worst mismanagement problems. The report, by...

NASA picks two Pluto mission proposals for further study
Posted: Thu, Jun 7 12:59 AM ET (0459 GMT)
NASA announced Wednesday it had selected for further study two proposals for a spacecraft mission to the planet Pluto even though there is currently no...

Planned strike could slow shuttle preparations
Posted: Tue, Jun 5 6:18 PM ET (2218 GMT)
An upcoming strike could hamper preparations for next month's shuttle flight. 600 United Space Alliance (USA) workers represented by the International Association of Machinists...

Astronomers find asteroid belt around another star
Posted: Tue, Jun 5 6:07 PM ET (2207 GMT)
Astronomers announced Monday that they had found evidence of an asteroid belt forming around another star. UCLA astronomers Michael Jung and Christine Chen said that...

NASA delays HESSI launch to investigate Pegasus failure
Posted: Mon, Jun 4 9:19 PM ET (0119 GMT)
Concerns about the Pegasus XL launch vehicle caused NASA Monday to delay this week's scheduled launch of a science spacecraft. The High Energy Solar...