Scientists speculate Mars had early oxygen-rich atmosphere
Posted: Thu, Jun 20 7:27 AM ET (1127 GMT)
Differences between rocks on the Martian surface and some meteorites on Earth that came from Mars can be explained if the planet had an oxygen-...

NASA announces "Grand Challenge" to identify hazardous asteroids
Posted: Wed, Jun 19 7:20 AM ET (1120 GMT)
NASA announced on Tuesday a "Grand Challenge" to scientists and others to identify all asteroids that pose a threat to humans, and issued a call...

NASA announces new astronaut class
Posted: Tue, Jun 18 8:02 AM ET (1202 GMT)
NASA announced on Monday a new class of eight astronauts, half of whom are women. The eight people announced Monday were selected from a pool...

ATV-4 docks with ISS
Posted: Sun, Jun 16 11:15 AM ET (1515 GMT)
A European cargo spacecraft successfully docked with the International Space Station on Saturday. The Automated Transfer Vehicle (ATV) 4 spacecraft, nicknamed "Albert Einstein", docked with...

Shenzhou-10 docks with Tiangong-1
Posted: Fri, Jun 14 8:22 AM ET (1222 GMT)
China's Shenzhou-10 spacecraft, with three astronauts on board, successfully docked with that country's Tiangong-1 module on Thursday. Shenzhou-10 made the...

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...