Earth is reflected in the helmet visor of NASA astronaut Alvin Drew, STS-133 mission specialist, as he participates in the mission’s first session of extravehicular
Space shuttle Discovery has docked at the International Space Station on its final visit before becoming a museum.
Sand dunes shaped like blue-black flames lie next to a central hill within an unnamed, 120-kilometer-wide (75-mile-wide) crater in eastern Arabia on Mars.
Space Shuttle panoramic (click and drag to explore the views)
The earliest known astronomical object is a galaxy appearing about 600 million years after the universe formed.