The Day fire has been burning in Southern California's Ventura County since Labor Day, and has consumed more than 160,000…
STS-117 mission specialist Steven Swanson participates in the mission's second extravehicular activity. Among other tasks, Swanson and fellow astronaut Patrick…
Three thousand light-years away, the Cat's Eye Nebula, a dying star throws off shells of glowing gas. This image from…
This Hubble Space Telescope image of the star V838 Monocerotis reveals dramatic changes in the illumination of surrounding dusty cloud…
Cosmonaut Mikhail Tyurin, flight engineer representing Russia's Federal Space Agency, and astronaut Michael E. Lopez-Alegria (bottom), Expedition 14 commander and…
This 1990 multiple exposure image shows the Puma Robotic Sensor Arm in action. The robot was used in virtual reality…
Dominating the top third of Africa is the Sahra Desert, Earth's largest band of dry land. Stretching across the Sahara…
Eta Car is a massive star, but it's not as bright as it used to be. Now visible only in…
Where is the center of the Egg Nebula? Like a baby chick pecking its way out of an egg, the…
Technicians continued to work on the Soyuz TMA-9 spacecraft in the Soyuz Integration Facility at the Baikonur Cosmodrome in Kazakhstan…
