An analysis of the water on Mars may have to wait until NASA's human Mars mission in the 2030s.
For most of 2015, the dwarf planet has been beaming a mystery back at us. Now NASA has an educated guess that might surprise you.
The space agency has just announced plans to fly to an asteroid, snag a boulder, fly back toward Earth and put the rock in orbit around the moon. Because science.
We often see the moon sailing through our night skies from down here on Earth, but a new NASA video shows a perspective we never get.
A faraway satellite turns its eyes back to its home planet to catch a fresh photo of our Blue Marble suspended against the darkness of space.
Luju Ojha is a graduate student, guitarist and scientific jack-of-all-trades who helped find water on Mars, all at an age when many people are still living in their parents' basement.
NASA's Spitzer telescope confirms a new neighbor in the form of a larger-than-Earth rocky planet outside our solar system.
Data from the Kepler Space Telescope reveals a planet that hits the triumvirate of being just right: It's the right size in the right place, and is circling a star similar to our sun.
Charon looks sharp in a freshly released New Horizons image showing the moon in enhanced color.
NASA's Mars Reconnaissance Orbiter has confirmed that mysterious lines on the surface of the planet are evidence of liquid water. CNET's Eric Mack spoke to the scientist behind the groundbreaking discovery.