Creating a composite photograph of the images taken by the Color and Stereo Surface Imaging System ( CaSSIS) aboard the Trace ...

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go beneath the surface,... The core of Mars looks like Earth’s. What makes the ...

Mars is more than dust and stone—its surface hides sweeping layers of frost that shimmer under a cold sun. From orbit, the frozen patterns feel otherworldly yet strangely familiar. The planet reveals ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be bright enough that astronauts on Mars could spot them with their naked eye.

Acting NASA Administrator Sean Duffy and Nicky Fox, head of NASA's Science Mission Directorate, discuss the paper published this morning in "Nature" presenting the best evidence yet of ancient ...

Martian mudstones contain features that NASA says are the "clearest sign of life" yet on Mars, according to new findings from NASA’s Perseverance rover released Sept. 10. Specifically, the stones show ...