Mars

The research will examine Alaska's frozen arctic sand dunes, which are similar to dune fields on Saturn's moon, Titan, and on early Mars.

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting Americans back to the moon in the near future will be challenging enough.

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting Americans back to the moon in the near future will be challenging enough.

NASA has announced it is moving forward with several plans to return rock samples from Mars.

Mars is seen as the next frontier in space exploration. But given the hostile environment on the red planet, is there a good reason why?

Four scientists are about to embark on a yearlong mission simulating life on our neighboring planet.

InSight's end has long been in sight, with NASA warning that it would likely be inoperative by the end of the year. The lander went quiet this weekend and shared a tweet it said might be its last.

Ten years ago today, NASA's Curiosity Mars rover successfully commenced its mission to explore the possibility of life on mars. Here's what it has discovered.

Since touching down in Jezero Crater, NASA's Perseverance rover has already cached 6 samples that could one day be brought back to Earth. Astrobiologists hope they hold signs of past microbial life.

A new study indicates that the relatively low mass of Mars allowed most of its water to be lost to space billions of years ago, rather than retained on its surface.