FTC approves Rocketdyne-Aerojet deal
Posted: Wed, Jun 12 8:17 AM ET (1217 GMT)
Federal antitrust regulators gave their approval this week to the acquisition of Rocketdyne by the parent company of Aerojet. The two companies announced the $550-...

China launches Shenzhou-10
Posted: Tue, Jun 11 8:22 AM ET (1222 GMT)
China launched its fifth human spaceflight mission on Tuesday, carrying three astronauts to an orbiting space laboratory. A Long March 2F rocket lifted off from...

Canadian astronaut Hadfield to retire
Posted: Tue, Jun 11 6:25 AM ET (1025 GMT)
An astronaut who returned from space last month after serving as the first Canadian commander of the International Space Station announced plans Monday to retire....

GOES-13 returns to service
Posted: Tue, Jun 11 6:10 AM ET (1010 GMT)
A weather satellite returned to service on Monday after being knocked out of action last month because of a micrometeroid strike, NOAA announced. Instruments on...

Russia launches reconnaissance satellite
Posted: Mon, Jun 10 6:12 AM ET (1012 GMT)
A Soyuz rocket placed a sophisticated reconnaissance satellite for the Russian military into orbit on Friday. The Soyuz 2-1b rocket lifted off from the...

Dust traps may explain planet formation
Posted: Fri, Jun 7 8:18 AM ET (1218 GMT)
Observations of a protoplanetary disk around a star have given astronomers evidence to support models for the formation of planets. In a paper in this...

Ariane launches fourth ATV cargo spacecraft
Posted: Thu, Jun 6 9:29 AM ET (1329 GMT)
An Ariane 5 launched the fourth in a series of European cargo spacecraft bound for the International Space Station on Wednesday. The Ariane 5 ES...

Astronomers observe smallest exoplanet to date via direct imaging
Posted: Wed, Jun 5 8:56 AM ET (1256 GMT)
European astronomers announced this week the discovery of the smallest extrasolar planet to date that has been directly observed by telescopes. The planet, HD 95086...

Proton launches SES-6
Posted: Tue, Jun 4 7:21 AM ET (1121 GMT)
A Proton rocket launched a European communications satellite on Monday, using a longer but more efficient trajectory to place the satellite into orbit. The Proton-...

Lunar mascons linked to impacts
Posted: Sun, Jun 2 8:40 AM ET (1240 GMT)
Scientists have associated irregularities in the Moon's gravity field with impacts by asteroids and comets early in the Moon's history. In a paper...