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...

Pratt & Whitney Rocketdyne put up for sale
Posted: Fri, Mar 16 6:27 AM ET (1027 GMT)
United Technologies announced Thursday it would sell Pratt & Whitney Rocketdyne (PWR), the business unit that manufactures rocket engines, to help pay for the acquisition of...

Study: long-duration spaceflight may damage eyesight
Posted: Thu, Mar 15 8:32 AM ET (1232 GMT)
Some astronauts who have spent extended time in space have suffered optical abnormalities that could affect their eyesight, scientists reported this week. In a paper...

Boeing, SpaceX win multi-satellite deal
Posted: Wed, Mar 14 6:15 AM ET (1015 GMT)
Boeing will build four "all-electric" satellites for a pair of commercial customers, who will launch the satellites with SpaceX, the companies announced Tuesday. Asia...

Arianespace, Sea Launch announce launch contracts
Posted: Tue, Mar 13 6:41 AM ET (1041 GMT)
Commercial launch providers Arianespace and Sea Launch announced a total of three new launch contracts on Monday. Arianespace announced it won a contract from Eutelsat...

Asteroid impact may explain Moon's magnetic anomalies
Posted: Sat, Mar 10 9:38 AM ET (1438 GMT)
A giant asteroid hitting the Moon's south pole four billion years ago may explain the magnetic field anomalies found there, scientists reported this week....