moon
Simulated Martian soil supports plant life, but questions about extraterrestrial plant growth remain.
The first terrestrial animals may have been helped along by a curious confluence of events.
In order to qualify as a true supermoon event, two elements must simultaneously occur.
NASA's exploration solidified scientific understanding of moon's formation and planetary science.
Strongest evidence for volcanoes spewing out ice from beneath the surface of Titan.
NASA practices for a visit to the planet Mars and other destinations in the deserts of the Southwest.