NASA's TESS mission has, for the first time, detected a planet orbiting a star with visible starquakes.
The 4-lb. Mars Helicopter, a technology demonstration that will launch with NASA's next Red Planet rover in July 2020, aced its first-ever test flight under Red Planet conditions.
Two long, narrow tails of material are streaming from a 2.5-mile-wide (4 kilometers) rock in the main asteroid belt between Mars and Jupiter, a new study reports.
The bizarre shapes and diverse colors seen in some of Saturn's moons may now be explained, with the help of data taken by NASA's Cassini spacecraft before it plunged to its doom.
Mars had large rivers long after the planet lost most of its atmosphere to space, a new study suggests.
When it comes to moons, potentially habitable worlds tend to steal the spotlight — but NASA may send a mission to a world that's certainly dead biologically, but far from it geologically.
Asteroid impacts may have helped make Mars a more life-friendly place — and not just by delivering water and the carbon-based building blocks of life as we know it to the Red Planet.
Now you can explore one of the most Mars-like places on Earth from the comfort of your own home, thanks to a new partnership between Google and the NASA Haughton-Mars Project.
NASA's Lunar Reconnaissance Orbiter continues to monitor the whereabouts and wanderings of China's Yutu 2 rover on the moon's far side.
Put yourself at the center of an ever-changing Milky Way with this new immersive video of the galaxy's core.
For the first time ever, astronomers have witnessed the birth of one of Neptune's enormous 'Great Dark Spot' storms.
Observations of the most distant galaxy ever identified revealed traces of oxygen from at least one previous generation of stars, a sign that star formation got off to an early start.
Our world is full of chemicals that shouldn't exist. New research could explain why they exist anyway.