Canada confirms plans for RADARSAT Constellation mission
Posted: Sat, Jan 12 11:15 AM ET (1615 GMT)
The Canadian Space Agency announced this week that it will press ahead with the country's next-generation radar satellite imaging system, signing a contract...

NASA rules out Apophis asteroid impact in 2036
Posted: Fri, Jan 11 11:57 AM ET (1657 GMT)
New observations of the near Earth asteroid Apophis have ruled out any chance it will hit the Earth in 2036, NASA announced Thursday. The observations...

DigitalGlobe-GeoEye merger wins antitrust approval
Posted: Thu, Jan 10 9:43 AM ET (1443 GMT)
Commercial remote sensing companies DigitalGlobe and GeoEye announced Wednesday that their planned merger has received antitrust clearance from the US Justice Department, the last major...

Commercial crew efforts on track
Posted: Thu, Jan 10 9:33 AM ET (1433 GMT)
Officials with NASA and four companies involved with the space agency's commercial crew development program said Wednesday that their efforts remain on schedule, with...

Exocomets likely common around other stars
Posted: Wed, Jan 9 9:27 AM ET (1427 GMT)
Astronomers this week reported the discovery of several stars that have comets orbiting them, suggesting that cometary systems may be just as common as extrasolar...

Kepler adds to extrasolar planet bounty
Posted: Tue, Jan 8 9:09 AM ET (1409 GMT)
NASA's Kepler mission released a new set of 461 potential extrasolar planets on Monday as other researchers, using Kepler data, indicated that at least...

Long duration space missions could affect crew sleep
Posted: Tue, Jan 8 8:54 AM ET (1354 GMT)
A simulation of a 520-day Mars mission demonstrated that crews can become more sedentary and suffer disrupted sleep patterns, scientists reported Monday. The study...

Arianespace to launch Vietnamese satellite on Vega
Posted: Sun, Jan 6 9:32 AM ET (1432 GMT)
Arianespace announced Friday that it has won a contract to launch a small Vietnamese satellite later this year using the Vega launch vehicle. The VNREDSat-...

Astronomers estimate over 100 billion planets in Milky Way
Posted: Sat, Jan 5 9:45 AM ET (1445 GMT)
An extrapolation based on data from NASA's Kepler spacecraft has led astronomers to conclude that there are at least 100 billion, and perhaps 200...

Scientists find unique, water-rich Martian meteorite
Posted: Fri, Jan 4 6:47 AM ET (1147 GMT)
A meteorite discovered in Africa over a year ago is from Mars, but is unlike any other Martian meteorite found to date, scientists reported this...