Progress launched to ISS
Posted: Mon, Apr 24 10:28 PM ET (0228 GMT)
A Soyuz rocket launched a Progress cargo spacecraft Monday on a mission to the International Space Station. The Soyuz rocket carrying the Progress M-56...

CALIPSO/CloudSat launch postponed again
Posted: Sun, Apr 23 1:42 PM ET (1742 GMT)
The launch of two Earth sciences satellites was postponed again early Sunday because of a lack of airborne tracking assets. The Delta 2 carrying the...

Worden named NASA Ames director
Posted: Sat, Apr 22 11:04 AM ET (1504 GMT)
NASA announced Friday that the agency has selected retired Air Force general Pete Worden as the next director of NASA's Ames Research Center in...

CALIPSO/CloudSat launch scrubbed
Updated: Sat, Apr 22 10:43 AM ET (1443 GMT)
Originally Posted: Fri, Apr 21 12:03 PM ET (1603 GMT)
The launch of two Earth sciences spacecraft was scrubbed early Friday because of a communications problem. A Delta 2 was scheduled to lift off from...

Atlas launches Astra 1KR
Posted: Fri, Apr 21 2:59 AM ET (0659 GMT)
An Atlas 5 rocket successfully launched a European communications satellite Thursday afternoon. The Atlas 5 411 lifted off from Launch Complex 41 at Cape Canaveral...

ISS orbit reboost fails
Posted: Thu, Apr 20 3:01 PM ET (1901 GMT)
A planned reboost maneuver using engines on the International Space Station was aborted Wednesday when one of the two engines failed to fire, but the...

EVA dropped from next shuttle mission
Posted: Tue, Apr 18 8:02 AM ET (1202 GMT)
One of the three spacewalks previously planned for the STS-121 shuttle mission this year has been canceled because of scheduling constraints, NASA officials said...

Minotaur launches smallsat constellation
Posted: Sat, Apr 15 11:58 AM ET (1558 GMT)
A Minotaur rocket launched a constellation of six small satellites for a US-Taiwan project to study terrestrial and space weather. The Minotaur lifted off...

Sea Launch places Japanese satellite in orbit
Posted: Thu, Apr 13 8:40 AM ET (1240 GMT)
A Zenit 3SL rocket successfully launched a US-built Japanese communications satellite Wednesday evening. The Zenit 3SL, operated by the multinational venture Sea Launch, lifted...

"Tenth planet" only slightly larger than Pluto
Posted: Wed, Apr 12 2:07 PM ET (1807 GMT)
New observations of an object that last year was unofficially proclaimed the solar system's tenth planet have revealed that the world is only slightly...