Spaceflight
A decade from now, NASA probes could be on their way to explore two potentially life-supporting alien worlds.
Mars
MONROVIA, California — NASA's next nuclear-powered Mars rover, slated to launch in 2020, is slowly coming together.
Mars
The science behind Matt Damon’s upcoming science-fiction movie "The Martian" received a thumbs up from Jim Green, NASA’s director of planetary science at a press event...
Air & Space
Buzz Aldrin is working with the Florida Institute of Technology to develop a “master plan” for colonizing Mars within 25 years.
Moon
The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused those fiery fountains.