Water leak in spacesuit cuts short spacewalk
Posted: Wed, Jul 17 6:45 AM ET (1045 GMT)
A dangerous buildup of water in an Italian astronaut's spacesuit forced NASA to end a spacewalk outside the International Space Station just over an...

Astronomer discovers Neptunian moon in Hubble data
Posted: Tue, Jul 16 7:13 AM ET (1113 GMT)
A planetary astronomer has found a previously-unknown moon orbiting Neptune in archival images of the distant planet taken by the Hubble Space Telescope. Mark...

China launches experimental satellite
Posted: Tue, Jul 16 6:57 AM ET (1057 GMT)
A Long March rocket placed a small experimental satellite into orbit on Monday. A Long March 2C rocket lifted off from the Jiuquan Satellite Launch...

Satellite reveals solar system's tail
Posted: Sat, Jul 13 10:57 AM ET (1457 GMT)
A NASA satellite has revealed the tail of solar wind from the Sun for the first time, showing that it has a structure like a...

Astronomers determine color of exoplanet
Posted: Fri, Jul 12 8:24 AM ET (1224 GMT)
Astronomers for the first time have measured the color of an extrasolar planet, finding that it is a primarily blue world but for reasons very...

ESA releases design of Ariane 6 rocket
Posted: Thu, Jul 11 8:12 AM ET (1212 GMT)
The European space Agency (ESA) released this week the planned design of the Ariane 6 launch vehicle, which will trade reduced performance versus the current...

Science team recommends NASA 2020 Mars rover collect samples
Posted: Wed, Jul 10 6:52 AM ET (1052 GMT)
A team of scientists recommended in a report released Tuesday that NASA's 2020 Mars rover mission collect and cache samples for later return to...

Astronauts perform ISS spacewalk
Posted: Wed, Jul 10 6:38 AM ET (1038 GMT)
American and Italian astronauts spent more than six hours outside the International Space Station (ISS) on Tuesday, completing a series of maintenance tasks that include...

NASA to attempt to fix Kepler this month
Posted: Tue, Jul 9 5:40 AM ET (0940 GMT)
Engineers are working on long-shot plans to revive one or both failed reaction wheels on the Kepler space telescope that would allow the spacecraft...

Astronomers discover mysterious extragalactic radio bursts
Posted: Fri, Jul 5 1:28 PM ET (1728 GMT)
Astronomers have detected several short bursts of radio waves they believe are coming from as-yet unknown sources from outside our galaxy. In a paper...