One part of this plan would require increasing the planet’s atmospheric pressure, and one scientist suggests that capturing ...

Findings appear to address a key mystery about Mars’s ancient past: How and when was the planet’s atmosphere thick enough to ...

A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

Nearly 25 years after its launch, NASA's Mars Odyssey Orbiter is still going strong. In a post on Monday, the agency ...