THE son of a NASA scientist who was convinced he found aliens on Mars is begging the space agency to search again. American ...

What did we really see when we looked at Mars for the first time with human-made eyes? In this powerful visual journey, we ...

Accidental contamination shows how even NASA missions can send resilient Earth microbes to other planets, risking false ...

NASA scientists have discovered evidence that could help answer questions surrounding the history of water loss on Mars.

NASA's Perseverance rover hits a new milestone on Mars—capturing a rare phenomenon in a surprising 'anniversary' selfie while ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

A NASA spacecraft orbiting Mars may have found a big clue about the history of the red planet. The Mars Atmosphere Volatile ...

NASA hasn’t landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet’s surface ...

China's space agency has launched a spacecraft that promises to return samples from a pair of asteroids near Mars.