Learn more about the hunt for bacteria on Mars and how astronauts will need to make sure they aren't bringing any dormant ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the extent to which Mars is quietly tugging on Earth's orbit and shaping the ...

Mysterious gullies on the surface of Mars, long puzzling scientists, appear to have been carved by burrowing blocks of CO₂ ice, according to a recent study that describes this mechanism as an ...

The immense dusty expanse of Mars preserves the scars of exceptional space events. A recent study published in Nature Communications reveals how falling meteors can trigger spectacular landslides, ...

MAVEN was built to last in orbit until 2030 — that's not looking likely anymore.