The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of ...