Sensor glitch could delay shuttle launch
Posted: Wed, Mar 8 6:52 AM ET (1152 GMT)
A problem with an external tank fuel sensor could postpone May's scheduled launch of the STS-121 shuttle mission. Tests on the external tank...

Next sunspot cycle predicted to be intense
Posted: Tue, Mar 7 2:09 PM ET (1909 GMT)
Space scientists announced Monday that they expect the next cycle of sunspots and associated solar activity to be as much as 50 percent stronger than...

Report: military tested manned spaceplane
Posted: Mon, Mar 6 1:37 PM ET (1837 GMT)
The US military secretly tested for years a manned spaceplane capable of reaching orbit, Aviation Week and Space Technology magazine reported in its latest issue...

Progress spacecraft deorbited
Posted: Sat, Mar 4 11:16 AM ET (1616 GMT)
An unmanned Russian Progress cargo spacecraft undocked from the ISS and reentered the Earth's atmosphere Friday. The Progress M-54 spacecraft was deorbited by...

NASA cancels Dawn mission
Posted: Fri, Mar 3 10:03 AM ET (1503 GMT)
NASA has quietly cancelled a mission to visit two of the largest asteroids in the solar system. The Associated Press reported that NASA on Thursday...

ISS partners agree to station assembly schedule
Posted: Fri, Mar 3 9:55 AM ET (1455 GMT)
NASA and its international partners agreed Thursday to a revised International Space Station assembly schedule that commits NASA to the early launch of key European...

Scientist explain methane in Titan's atmosphere
Posted: Thu, Mar 2 8:09 AM ET (1309 GMT)
The methane detected in Titan's dense atmosphere was generated by three distinct outgassing episodes, scientists have concluded. In a paper published in the March...

Next shuttle launch still planned for May
Posted: Wed, Mar 1 8:17 AM ET (1317 GMT)
NASA shuttle managers said Tuesday that they are still planning to launch the next shuttle mission, STS-121, in May, and hope to carry out...

Proton launch fails
Posted: Tue, Feb 28 10:14 PM ET (0314 GMT)
The launch of a commercial communications satellite on a Proton failed Tuesday night when the rocket's upper stage shut down prematurely. The Proton M...

Rocketplane investor buys Kistler
Posted: Tue, Feb 28 8:09 AM ET (1309 GMT)
The majority owner of suborbital spacecraft developer Rocketplane has purchased Kistler Aerospace, a company that fell on hard times while trying to develop a reusable...