Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Newfound world is at least seven times the mass of Jupiter.
SpaceX's capsule splashed into the Pacific Ocean, following a mission that should pave the way for a flight to the International Space Station.
New agency aims to produce timely data imagery to help detect natural disasters and monitor water resources around South Africa and Africa as a whole.
After an earlier attempt was aborted, Elon Musk's historic shuttle finally takes off at 10:43 a.m.
Historic launch of private spacecraft canceled less than three minutes before takeoff.
The private company is trying to launch the Falcon 9 rocket today in a demonstration test for NASA.
While many promising discoveries have been made, much of this research is new and scientists are still debating how solid the conclusions are.
Communication black-out lasted longer than expected, and spacecraft may be slightly out of orbit.
Over the last decade, more than 400 scientific experiments have been conducted on the space station.
The Geminid meteor shower will be visible night of Dec. 13 and into the morning.
Rocket was to deliver Russian GPS satellites into space.
NASA planning to contract SpaceX for cargo transport into space by the end of 2011.
Delay allows engineers more time to complete work to analyze why small cracks developed in the shuttle's huge external fuel tank.
The military is planning a second plane slated for a 2011 launch.
Video: For the last 24 hours, speculation that NASA might announce that ET has finally phoned home went viral.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.