Why is Mars so captivating? Explore its stunning features, including ice caps, thin atmosphere, and moons, in breathtaking 4K ...

Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in ...

NASA’s Curiosity rover is skygazing and photographing lovely examples of noctilucent clouds on Mars. The wispy formations ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

Every 26 months, the orbits of Earth and Mars allow us a closer look when Mars is at opposition — which will happen on Jan.

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

We're hurtling toward a new era of mega-rockets with enough power to send colonists to the red planet, but should we?

An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

The ground on Mars is full of nitrogen, a vital component for planet life, raising hopes that it might be more hospitable ...

The Mars Sample Return mission has been ranked as the highest priority by planetary scientists, who hope to find signs of ...

There is water on Mars locked in icecaps and frozen underground, but there is no liquid water even though daytime ...