The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. The findings were made ...

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present ...

Clues hidden in Martian rock suggest the red planet may have once hosted an ocean. Earth’s own ancient rivers are helping scientists uncover its watery past. Billions of years ago, water once coursed ...

If it pans out, it may complicate Elon Musk’s dreams of founding a settlement on the fourth planet from the sun.

CAPE CANAVERAL, Fla. — NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported last week. NASA ...