NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

A seemingly small planetary neighbor may play a larger role in Earth’s climate than previously thought. Mars is only about ...

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological activity.

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) Far away, alone in a crater on a planet inhabited only by robots, NASA's ...

Experience the stunning view of Earth as seen from the surface of Mars. This video captures the breathtaking perspective of ...

Add Yahoo as a preferred source to see more of our stories on Google. Physicists have worked out exactly how fast time passes on Mars compared with Earth. (CREDIT: Wikimedia / CC BY-SA 4.0) On Earth, ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go beneath the surface,... The core of Mars looks like Earth’s. What makes the ...

A new study reveals a hidden risk for Mars missions: astronauts could lose strength even if muscle size stays the same.