Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

MAVEN has remained silent since Dec. 6 despite repeated attempts to contact it, according to NASA. As part of the recovery ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

"There are incredibly tantalizing samples in the Perseverance rover's cache that could revolutionize our understanding of ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...