American astronomer Clyde Tombaugh discovered Pluto, the ninth planet in our solar system, on February 18, 1930. Many key questions…
Shooting like a roman candle into Florida's blue sky from Launch Pad 39B, Space Shuttle Discovery kicked off the Fourth…
Natalya Koroleva, daughter of the late Sergei Pavlovich Korolev, head Soviet rocket engineer and designer, poses for a photograph at…
These shape-shifting galaxies have taken on the form of a giant mask. The icy blue eyes are actually the cores…
Vivid colors belie the arid landscape of northern Chile where the Atacama Desert, one of the world's driest, meets the…
This enhanced-color view shows gullies in an unnamed crater in the Terra Sirenum region of Mars. The image was taken…
In the 1950s, oil exploration in Libya turned up another valuable resource: water. Huge aquifers, underground deposits of sand and…
This artist's concept shows the view from Cassini during the star occultation that detected "Mittens," the small object to the…
Like a roman candle shooting through the blue sky, the launch of Space Shuttle Discovery on mission STS-121 kicks off…
Over 120 million years ago, a single mass of granite punched through the Earth's crust and intruded into the heart…
