STS-117 mission specialist Steven Swanson participates in the mission’s second extravehicular activity. Among other tasks, Swanson and fellow astronaut Patrick…
This Hubble Space Telescope image of the star V838 Monocerotis reveals dramatic changes in the illumination of surrounding dusty cloud…
Three thousand light-years away, the Cat’s Eye Nebula, a dying star throws off shells of glowing gas. This image from…
Eta Car is a massive star, but it’s not as bright as it used to be. Now visible only in…
Dominating the top third of Africa is the Sahra Desert, Earth’s largest band of dry land. Stretching across the Sahara…
This 1990 multiple exposure image shows the Puma Robotic Sensor Arm in action. The robot was used in virtual reality…
Cosmonaut Mikhail Tyurin, flight engineer representing Russia’s Federal Space Agency, and astronaut Michael E. Lopez-Alegria (bottom), Expedition 14 commander and…
Where is the center of the Egg Nebula? Like a baby chick pecking its way out of an egg, the…
The full beauty of the Cat’s Eye Nebula (NGC 6543) is revealed in this new, detailed view from NASA’s Hubble…
When the sun reflects off the surface of the ocean at the same angle that a satellite sensor is viewing…
