This artist's conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons, seen in the early universe. These large…
Warm ocean waters fuel hurricanes, and there was plenty of warm water for Katrina to build up strength once she…
The Magellan probe that orbited Venus from 1990 to 1994 was able to peer through the thick Venusian clouds and…
Launched in the mid-1960s, the Ranger fleet of spacecraft provided live television transmissions of the moon from lunar orbit for…
Nearly two weeks after landing in Gusev Crater, the Mars Exploration Rover Spirit has rolled off of its lander and…
This close-up view of the X-38 crew return vehicle under the wing of NASA's B-52 mothership prior to launch of…
The four principal HL-10 pilots are seen here with the lifting body aircraft. From left to right, they are Air…
In this 3-D perspective view looking north over Death Valley, California, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER),…
This false color image of Saturn's moon Mimas reveals variation in the composition and texture across its surface. During its…
Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the vacuum of space. This picture,…
