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

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

Frozen dunes on Mars halted by carbon dioxide frost Research examines Mars' past water presence and climate shifts Insights ...

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

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

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?

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

A new study may solve a central mystery of the planet’s 4.6-billion-year history. Despite increasing evidence that water flowed on Mars billions of years ago, scientists have been mystified by ...

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

There are currently four bright planets spread across the evening sky. The fourth and final to get a lunar visit will be Mars ...