Pluto colder than expected
Posted: Wed, Jan 4 7:14 AM ET (1214 GMT)
The surface of the distant planet Pluto is about ten degrees colder than its moon, evidence of different compositions for the two objects. Millimeter-wave...

Japan training astronauts for long-term ISS missions
Posted: Tue, Jan 3 8:32 AM ET (1332 GMT)
The Japanese space agency JAXA is training two of its astronauts for long-duration missions on the International Space Station, even though the agency is...

Proton launches communications satellite
Posted: Thu, Dec 29 8:31 AM ET (1331 GMT)
A Proton booster successfully launched an American communications satellite early Thursday. The Proton-M lifted off from the Baikonur Cosmodrome in Kazakhstan at 9:28...

First Galileo satellite launched
Posted: Wed, Dec 28 7:09 AM ET (1209 GMT)
A Soyuz rocket launched the first satellite of Galileo, a European satellite navigation system, early Wednesday. The Soyuz-FG rocket lifted off from the Baikonur...

Russia launches three GLONASS satellites
Posted: Sun, Dec 25 12:59 PM ET (1759 GMT)
A Russian Proton booster launched three GLONASS navigation satellites early Sunday. The Proton-K lifted off from the Baikonur Cosmodrome in Kazakhstan at 12:07...

Progress docks with ISS
Posted: Sat, Dec 24 10:38 AM ET (1538 GMT)
A Progress cargo spacecraft carrying supplies for the International Space Station and Christmas presents for its two-man crew docked with the orbiting outpost on...

New rings, moons found around Uranus
Posted: Fri, Dec 23 10:31 AM ET (1531 GMT)
Astronomers have discovered a pair of new rings and accompanying moons that they believe constitutes a second ring system for the distant planet. Using the...

Scientists make case for less water on Mars
Posted: Fri, Dec 23 10:14 AM ET (1514 GMT)
The planet Mars may have had less liquid water on its surface early in its history than previously expected, reducing the odds that the planet...

Ariane launches two satellites
Posted: Thu, Dec 22 12:05 PM ET (1705 GMT)
An Ariane 5 launched an Indian communications satellite and a European weather satellite Wednesday evening. The Ariane 5 GS lifted off from Kourou, French Guiana...

Progress launched to ISS
Posted: Thu, Dec 22 11:51 AM ET (1651 GMT)
A Russian Progress cargo spacecraft was launched Wednesday on a mission to the International Space Station. A Soyuz rocket carrying the Progress M-55 spacecraft...