Fourth moon discovered around Pluto
Posted: Thu, Jul 21 5:22 AM ET (0922 GMT)
Astronomers using the Hubble Space Telescope have found a fourth moon orbiting the dwarf planet Pluto, they announced Wednesday. The moon, officially designated S/2011 (...

ULA signs CCDev agreement for Atlas 5
Posted: Wed, Jul 20 7:07 AM ET (1107 GMT)
NASA and United Launch Alliance (ULA) signed an agreement Monday to continue studying human-rating the Atlas 5 rocket for commercial crew spacecraft. Under the...

Shuttle undocks from ISS for the final time
Posted: Tue, Jul 19 6:59 AM ET (1059 GMT)
The space shuttle Atlantis undocked from the International Space Station early Tuesday, ending the final visit of a shuttle to the ISS. Atlantis undocked from...

Russia launches radio astronomy satellite
Posted: Tue, Jul 19 6:48 AM ET (1048 GMT)
A Zenit rocket successfully launched a long-delayed Russian radio astronomy satellite on Monday. The Zenit-3M rocket lifted off from the Baikonur Cosmodrome at...

Dawn enters orbit around Vesta
Posted: Sun, Jul 17 10:48 AM ET (1448 GMT)
NASA's Dawn spacecraft has entered orbit around the large main-belt asteroid Vesta, the space agency announced early Sunday. Dawn achieved orbit around Vesta...

Delta 4 launches GPS satellite
Posted: Sat, Jul 16 9:05 AM ET (1305 GMT)
A Delta 4 rocket, delayed two days by technical and weather issues, successfully launched a GPS satellite early Saturday. The Delta 4 Medium+ 4,2...

Proton launches two communications satellites
Posted: Sat, Jul 16 8:58 AM ET (1258 GMT)
A Proton rocket carried into orbit early Saturday communications satellite for a European company and the Kazakh government. The Proton M lifted off from the...

India launches communications satellite
Posted: Fri, Jul 15 8:40 PM ET (0040 GMT)
An Indian rocket successfully launched a domestic communications satellite on Friday. The Polar Satellite Launch Vehicle (PSLV) XL lifted off from the Satish Dhawan Space...

Weather postpones Delta 4 launch
Posted: Fri, Jul 15 7:26 AM ET (1126 GMT)
United Launch Alliance (ULA) postponed Friday's scheduled launch of a GPS satellite because of poor weather during launch preparations. The launch, which had been...

House appropriators retain JWST cut
Posted: Thu, Jul 14 8:32 AM ET (1232 GMT)
The full House Appropriations Committee approved a 2012 spending bill Wednesday that would provide no funding for NASA's James Webb Space Telescope. Members offered...