Three planets found in habitable zone of star
Posted: Thu, Jun 27 8:19 AM ET (1219 GMT)
Astronomers announced this week that a nearby star has three "super-Earth" planets in its habitable zone, raising prospects that such planets are commonplace. A...

Shenzhou-10 lands safely
Posted: Wed, Jun 26 9:41 AM ET (1341 GMT)
A Chinese spacecraft carrying three astronauts landed safely on Wednesday, ending a successful if relatively low-key mission. The Shenzhou-10 spacecraft landed in Inner...

Soyuz launches four communications satellites
Posted: Wed, Jun 26 9:31 AM ET (1331 GMT)
A Soyuz rocket launched four commercial communications satellites from French Guiana on Tuesday. The Soyuz ST-B lifted off from the Guiana Space Center at...

Soyuz launches Russian remote sensing satellite
Posted: Wed, Jun 26 9:21 AM ET (1321 GMT)
A Soyuz rocket placed a Russian remote sensing satellite into orbit on Tuesday. The Soyuz-2.1b rocket lifted off from the Baikonur Cosmodrome in...

Power failure delays NASA space science launch
Posted: Wed, Jun 26 9:11 AM ET (1311 GMT)
The launch of a small NASA space science satellite has been postponed a day because of a power failure at the launch site. NASA had...

Cosmonauts complete ISS spacewalk
Posted: Tue, Jun 25 7:58 AM ET (1158 GMT)
Two Russian cosmonauts carried out a spacewalk outside the International Space Station on Monday to continue preparations for the arrival of a new Russian module....

Weather delays Soyuz O3b launch
Posted: Tue, Jun 25 7:46 AM ET (1146 GMT)
Poor weather in French Guiana delayed Monday's scheduled launch of the first four spacecraft of a new communication satellite network. High winds forced controllers...

Commercial sounding rocket launches research and educational payloads
Posted: Sat, Jun 22 10:39 AM ET (1439 GMT)
A commercial sounding rocket launched from Spaceport America in New Mexico on Friday, carrying a variety of payloads on a mission supported by NASA. The...

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...