Orbital reschedules initial Antares launches
Posted: Fri, Jul 20 5:23 AM ET (0923 GMT)
Orbital Sciences Corporation announced Thursday it is now planning the inaugural launch of its medium-lift Antares rocket this October, with a demonstration flight of...

Astronomers find potential exoplanet smaller than Earth
Posted: Thu, Jul 19 6:57 AM ET (1057 GMT)
Astronomers examining data from NASA's Spitzer Space Telescope have found evidence for an extrasolar planet two-thirds the size of the Earth tightly orbiting...

NASA selects Delta 2, Falcon 9 for satellite launches
Posted: Thu, Jul 19 6:42 AM ET (1042 GMT)
NASA awarded launch contracts this week for four future missions, providing new life to one venerable launch vehicle and opening a new line of business...

Soyuz docks with ISS
Posted: Tue, Jul 17 7:03 AM ET (1103 GMT)
A Soyuz spacecraft carrying three new International Space Station crewmembers docked with the station early Tuesday. The Soyuz TMA-05M spacecraft docked with the station'...

Spacecraft issue could delay MSL landing data
Posted: Tue, Jul 17 6:53 AM ET (1053 GMT)
A problem with a spacecraft currently in orbit around Mars could mean that telemetry from next month's landing by NASA's Mars Science Laboratory (...

Soyuz launches ISS crew
Posted: Sun, Jul 15 9:51 AM ET (1351 GMT)
A Soyuz spacecraft carrying three new International Space Station crewmembers launched early Sunday. The Soyuz rocket lifted off from the Baikonur Cosmodrome in Kazakhstan at...

Astronomers detect "dark" galaxies
Posted: Fri, Jul 13 7:29 AM ET (1129 GMT)
Astronomers announced this week that they have discovered so-called "dark" galaxies from an early phase of the history of the universe. Dark galaxies are...

Fifth moon spotted orbiting Pluto
Posted: Thu, Jul 12 6:40 AM ET (1040 GMT)
Astronomers announced Wednesday the discovery of a fifth, and very small, moon orbiting the dwarf planet Pluto. Scientists detected the moon, temporarily designated S/2012 (...

Virgin Galactic announces smallsat launcher
Posted: Wed, Jul 11 7:38 PM ET (2338 GMT)
Virgin Galactic, the company best known for developing the SpaceShipTwo suborbital vehicle for space tourism, announced Wednesday it is also developing an air-launched rocket...

Marshall director to leave NASA for industry
Posted: Wed, Jul 11 6:49 AM ET (1049 GMT)
The head of NASA's Marshall Space Flight Center (MSFC) will leave the center to take a position with Aerojet, the agency announced this week....