Saturn rings may be remnant of large moon
Posted: Tue, Dec 14 6:42 AM ET (1142 GMT)
Saturn's icy rings may be the remnant of a large moon that collided with the planet early in its history, scientists reported this week....

Solar sail microsatellite feared lost
Posted: Sun, Dec 12 10:43 AM ET (1543 GMT)
NASA officials said late Friday that it has not established contact with a small experimental solar sail satellite deployed earlier in the week, and is...

Proton cleared to resume launches
Posted: Sat, Dec 11 10:30 AM ET (1530 GMT)
A preliminary investigation into this week's failed launch of three GLONASS satellites has ruled out the Proton launch vehicle, allowing the vehicle to resume...

Astronomers find first carbon-rich exoplanet
Posted: Fri, Dec 10 7:47 AM ET (1247 GMT)
Astronomers announced this week the discovery of the first extrasolar planet dominated by carbon, a world whose interior may be filled with graphite and diamonds....

Dragon capsule returns safely
Posted: Wed, Dec 8 9:38 PM ET (0238 GMT)
SpaceX's Dragon spacecraft, launched for the first time Wednesday morning, parachuted to a planned splashdown in the Pacific Ocean Wednesday afternoon, capping what company...

Falcon 9 launches Dragon
Posted: Wed, Dec 8 1:53 PM ET (1853 GMT)
A SpaceX Falcon 9 rocket successfully placed a Dragon cargo spacecraft into orbit on Wednesday morning. The Falcon 9 lifted off from Cape Canaveral at...

Japanese probe fails to enter Venus orbit
Posted: Wed, Dec 8 6:14 AM ET (1114 GMT)
A Japanese spacecraft has failed to enter orbit around Venus this week as planned, the Japanese space agency JAXA announced Wednesday. The Akatsuki spacecraft, launched...

Falcon 9 launch postponed
Posted: Tue, Dec 7 7:22 AM ET (1222 GMT)
SpaceX has delayed the launch of a Falcon 9 spacecraft carrying the first Dragon spacecraft to at least Wednesday to investigate a cracked engine nozzle....

GLONASS satellites lost in Proton launch failure
Posted: Sun, Dec 5 12:32 PM ET (1732 GMT)
Three GLONASS navigation satellites launched Sunday on a Proton rocket reentered the atmosphere and were lost. The Proton rocket, using a Block DM upper stage,...

SpaceX completes Falcon static fire test
Posted: Sun, Dec 5 9:56 AM ET (1456 GMT)
SpaceX carried out a static fire test of the main engines of its Falcon 9 rocket on Saturday, clearing the way for Tuesday's scheduled...