Researchers at NASA's Langley Research Center conduct studies in 1964 to determine the types of difficulties astronauts might encounter on…
The Cassini spacecraft captured this spectacular view of a landslide on Saturn's moon, Iapetus. Landslides are common geological phenomena on…
This view of Tibet's Brahmaputra River was taken on Oct. 13, 2000, by the Expedition 3 crew. This Asian river…
These are some of the first pictures returned by the European Space Agency's Huygens probe during its successful descent and…
STS-121 mission specialist Piers J. Sellers, wearing a training version of the space suit used for extravehicular activity (EVA), participates…
Twenty million years ago ocean covered the area where Panama is today, creating a gap between the continents of North…
This Cassini image is a color map of the composition of a portion of Saturn's moon Hyperion. In this map,…
Astronaut Charles Conrad Jr., commander of the first manned Skylab mission, goes through a checklist of experiment activity during Skylab…
This artist's concept depicts a distant hypothetical solar system, similar in age to our own. Looking inward from the system's…
Eerie, dramatic pictures from the Hubble telescope show newborn stars emerging from "eggs" - not the barnyard variety - but…