The second man to walk on the moon doesn't want the first man on Mars to be a tourist.
With a powerful camera, a great view and an eye for beauty, Reid Wiseman has shared amazing images.
The agency has 12 exciting new concepts that could change the future of space exploration.
Scientists know it's shrinking, but no one knows why.
Kepler just found an Earth-like habitable planet. What’s to keep us from getting there?
The agency capitalized on "Gravity's" success as a way to remind everyone of the wonders of space.
NASA releases scintillating footage of the sun that was taken by its Solar Dynamics Observatory.
A newly released photo offers a good look at the planet.
NASA's Solar Dynamics Observatory is constantly capturing remarkable images.
NASA says the six-man crew is safe as work is underway to determine what is causing the issue.