An artist's conception shows a gas-giant planet orbiting very close to its parent star, creating searingly hot conditions on the…
This test conducted in May 1988 shows what happens during launch if a space shuttle main engine fails. The test…
In 1787, astronomer William Herschel discovered the Eskimo Nebula, which from the ground resembles a person's head surrounded by a…
Scientists Carolyn Griner, Ann Whitaker and Mary Johnston (top to bottom) are shown undergoing training at the Marshall Space Flight…
As spring now dawns on the Northern Hemisphere of Mars, sand dunes near the pole, as pictured above, are beginning…
NASA Acting Administrator Fred Gregory, center, got a close up look at the Virgin Atlantic GlobalFlyer after its landing in…
This view of one of the most dynamic and intricately detailed star-forming regions in space, located 210,000 light-years away in…
In 1994, during its flight, the Clementine spacecraft returned images of the Moon. In addition to the geologic mapping cameras,…
Northern Arizona is best known for the Grand Canyon. Less widely known are the hundreds of geologically young volcanoes, at…
This picture from NASA's Mars Global Surveyor could help settle a decades-long debate about whether the planet had long-lasting rivers…
