The Red Planet is home to Valles Marineris, the solar system's largest canyon. Within this canyon lies Ius Chasma. This…
How massive can a star be? Estimates made from distance, brightness and standard solar models have accorded one star in…
A 50th anniversary message. In 1986, Snoopy was officially chosen as an official symbol of merit for America's space program…
Members of the SOFIA crew are greeted by NASA Dryden Flight Research Center Director Kevin Petersen and Deputy Director Steven…
Atlantis rockets into the blue sky above Launch Pad 39A after liftoff on the STS-117 mission. Beneath Atlantis' main engines…
Our Earth's horizon and the International Space Station's solar array panels are featured in this image photographed by the Expedition…
As space shuttle Atlantis rolls out to the pad an onlooker views its progress from inside the Launch Control Center…
Hurricane Ike covered more than half of Cuba in this image, taken by the Expedition 17 crew aboard the International…
A massive cluster of galaxies located about 2.3 billion light years away, Abell 1689, shows signs of merging activity. Hundred-million-degree…
In 2009, NASA will launch the first test flight of its next-generation spacecraft and launch vehicle system. The test flight,…