Radiation exposure on Mars missions could exceed safe limits
Posted: Fri, May 31 2:14 PM ET (1814 GMT)
Exposure to cosmic radiation on missions to Mars could exceed NASA's current limits for astronauts, scientists reported this week. Researchers used data collected by...

Planetary Resources to crowdfund space telescope
Posted: Thu, May 30 9:42 AM ET (1342 GMT)
Planetary Resources, a startup company that announced plans last year to prospect and eventually extract resources from near Earth asteroids, started a crowdfunding campaign Wednesday...

Soyuz brings new crew to ISS
Posted: Wed, May 29 6:38 AM ET (1038 GMT)
A Soyuz spacecraft carrying three new International Space Station crewmembers arrived at the station Tuesday night, less than six hours after launching from Kazakhstan. A...

Ecuadorian satellite may have collided with space debris
Posted: Sun, May 26 11:06 AM ET (1506 GMT)
The first satellite launched by the South American nation of Ecuador may have collided with and been damaged by debris associated with a Soviet-era...

Delta launches WGS-5 satellite
Posted: Sat, May 25 11:27 AM ET (1527 GMT)
A Delta 4 rocket successfully launched the fifth in a series of military communications satellites on Friday evening. The Delta 4 Medium-Plus (5,4)...

GOES weather satellite malfunctions
Posted: Fri, May 24 10:53 AM ET (1453 GMT)
A geostationary weather satellite that provides images and other meteorological data for the US malfunctioned this week, and an on-orbit spare has been activated....

Technical glitch delays Delta 4 launch
Posted: Fri, May 24 10:44 AM ET (1444 GMT)
A technical problem postponed Thursday's scheduled launch of a military communications satellite on a Delta 4 rocket by 24 hours. The Delta 4 Medium+ (...

Globalstar reaches debt refinancing deal
Posted: Wed, May 22 10:37 AM ET (1437 GMT)
Satellite communications company Globalstar announced this week that it reach a deal with bondholders to refinance the company's debt, allowing the company to focus...

British astronaut selected for ISS mission
Posted: Tue, May 21 8:35 AM ET (1235 GMT)
A British astronaut will fly to the International Space Station in 2015, becoming the first official representative of the British government to fly in space....

Bion capsule returns with many dead animals
Posted: Tue, May 21 8:18 AM ET (1218 GMT)
A capsule carrying plants and animals returned to Earth after a month-long flight, only to find that many of the animals on board had...