Lunar rock study raises new questions about Moon formation model
Posted: Tue, Mar 27 6:28 AM ET (1028 GMT)
Newly-published measurements of titanium concentrations in lunar rocks have led scientists to question the current model for the formation of the Moon. In a...

Proton launches Intelsat 22
Posted: Mon, Mar 26 6:27 AM ET (1027 GMT)
A Proton rocket successfully launched Sunday a new communications satellite for Intelsat. The Proton-M rocket, carrying the Intelsat 22 satellite, lifted off from the...

Russia deorbits Express-AM4 satellite
Posted: Mon, Mar 26 6:14 AM ET (1014 GMT)
Controllers deorbited Sunday a Russian communications satellite that was launched into the wrong orbit last year despite a last-minute bid to salvage the spacecraft....

Orbital debris passes close to ISS
Posted: Sat, Mar 24 9:10 AM ET (1310 GMT)
The crew of the International Space Station sheltered in their Soyuz capsules for a short time early Saturday as a precaution when a piece of...

Ariane launches cargo spacecraft to ISS
Posted: Fri, Mar 23 6:27 AM ET (1027 GMT)
An Ariane 5 rocket successfully launched early Friday a European cargo spacecraft to the ISS. The Ariane 5 ES rocket lifted off from Kourou, French...

Scientists review spacecraft studies of Mercury
Posted: Thu, Mar 22 6:33 AM ET (1033 GMT)
A year after entering orbit around Mercury, scientists said this week that NASA's MESSENGER spacecraft has provided key insights into the surface, interior, and...

Virgin Galactic announces 500th customer
Posted: Wed, Mar 21 6:55 AM ET (1055 GMT)
Space tourism company Virgin Galactic announced this week it has signed up a famous actor as its 500th customer for its suborbital spaceflights. Virgin said...

North Korea presses ahead with satellite launch plans
Posted: Tue, Mar 20 7:09 AM ET (1109 GMT)
North Korea is proceeding with plans to make a third attempt to launch a satellite despite concerns from other nations that the launch is instead...

Europe to continue ExoMars without NASA
Posted: Sat, Mar 17 9:53 AM ET (1353 GMT)
European Space Agency (ESA) officials decided this week to continue their plans for a pair of ambitious Mars missions later this decade even after the...

NASA postpones NuSTAR launch
Posted: Sat, Mar 17 9:39 AM ET (1339 GMT)
As astronomy satellite that had been slated for launch this month will remain on the ground for up to two more months to correct a...