A video fly-through of a high-definition image of the Andromeda Galaxy helps put the vastness of the universe in perspective.
Astronomers using the Hubble Space Telescope say the star nicknamed Nasty 1 (Miss Jackson if...) doesn't behave like a typical star of its kind. Hence its bad-boy image and name.
If you thought the Milky Way was the bee's knees, wait till you see this unreal high-definition shot of our nearest spiral galaxy neighbor.
The most adorable galaxies in the universe may be a series of far-away space blobs with a lot of room, but very few stars.
Researchers are finding no obvious signs of life after digging through thousands of galaxy images in search of advanced civilizations.
Astronomers have spotted in an otherwise not-very-interesting galaxy a raging storm erupting from the black hole at its core.
"Riding Light" traces the movement of a photon traveling away from the sun in a film that translates the speed of light into a human perspective.
The Northern Lights in Alaska provide a ghostly backdrop for a dramatic image of rockets launching into the early-morning sky.
NASA's VolcanoBot is a brave little machine on wheels that doesn't mind diving into fissures and lava tubes for science.
Meet Herbig-Haro object HH 46/47, a very energetic youngster of a star 1,400 light-years away.