Curiosity finds new evidence Mars was once habitable
Posted: Wed, Mar 13 8:08 AM ET (1208 GMT)
Analysis of a rock sample by NASA's Curiosity Mars rover has given scientists new evidence that Mars once had the right conditions to support...

SpaceX performs Grasshopper test flight
Posted: Tue, Mar 12 7:48 AM ET (1148 GMT)
SpaceX performed the fourth flights of a reusable launch vehicle technology demonstrator last week, flying the vehicle to a record height. The Grasshopper vehicle flew...

Russian satellite may have collided with Chinese ASAT debris
Posted: Sat, Mar 9 10:43 AM ET (1543 GMT)
A small Russian satellite may have collided in January with debris from a 2007 Chinese antisatellite weapons test, according to an analysis of orbital data...

Salt on Europa's icy surface provides new evidence for water ocean below
Posted: Fri, Mar 8 6:49 AM ET (1149 GMT)
Planetary scientists reported this week the discovery of a mineral salt on the icy surface of Jupiter's moon Europa that provides them with new...

Herschel spacecraft to end mission soon
Posted: Wed, Mar 6 8:31 AM ET (1331 GMT)
A European astronomical spacecraft launched nearly four years ago is expected to end its mission within weeks when it exhausts its supply of coolant, officials...

Ariane to launch Australian broadband satellites
Posted: Tue, Mar 5 7:59 AM ET (1259 GMT)
Arianespace announced Monday it has won a contract to launch two satellites that will provide broadband Internet services for Australia. Ariane 5 rockets will launch...

Dragon arrives at ISS
Posted: Sun, Mar 3 10:29 AM ET (1529 GMT)
A commercial Dragon cargo spacecraft, having overcome earlier problems with its thrusters, arrived at the International Space Station early Sunday and is now attached to...

Curiosity in safe mode after computer glitch
Posted: Sat, Mar 2 10:44 AM ET (1544 GMT)
NASA's Mars rover Curiosity went into a safe mode on Thursday because of a problem with one of its flight computers, project officials said....

Dragon experiences problems after successful launch
Updated: Fri, Mar 1 5:15 PM ET (2215 GMT)
Originally Posted: Fri, Mar 1 2:10 PM ET (1910 GMT)
A SpaceX Dragon spacecraft suffered a problem with its thruster system immediately after entering orbit after a launch Friday morning. The Falcon 9 rocket carrying...

NASA spacecraft detect third, temporary Van Allen radiation belt
Posted: Fri, Mar 1 7:10 AM ET (1210 GMT)
A pair of NASA spacecraft launched last year have detected for the first time a third, and temporary, belt of radiation girdling the Earth as...