A NASA spacecraft bound for an unusual metallic asteroid recently made a strategic flyby of Mars — and its cameras captured a rare perspective of the red planet along the way. The Psyche mission, ...

NASA's Curiosity rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday. The organic ...

A NASA spacecraft has sent back striking new views of Mars as it continues its long journey toward the asteroid belt. Psyche ...

NASA’s Perseverance rover may have found some of the oldest rocks ever studied on Mars at an outcrop named "Arethusa." ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

NASA's Curiosity rover has been exploring Mars for 14 years. See a new timelapse showing six years of wear and tear on its ...

Liquid water once shaped the Martian landscape dramatically, carving valleys, filling lakes, and forming vast oceans. Billions of years ago, during Mars' early days known as the Noachian and Hesperian ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were carved by rivers, so it was once warm enough for liquid water. How—and ...