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

Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow ...

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

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, ...

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

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

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

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of traveling to Mars, doing something scientifically useful, and returning ...

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