Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

The latest evidence that Mars was once a warmer, wetter world comes from a surprising place—the hidden subsurface depths of ...

NASA’s Mars Reconnaissance Orbiter has located a fresh crater on Mars after 20 years of monitoring, providing high-resolution ...

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

What innovative rovers can be developed to advance Mars surface exploration? This is what a recent study presented at the Joint Meeting of the Europlanet Science Congress and the Division for ...

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 ...

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

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 plans to send humans on a scientific round trip to Mars potentially as early as 2035. The trip will take about six to seven months each way and will cover up to 250 million miles (402 million ...

The images that recently have gone viral actually date back to 2001.

Andy Weir’s bestselling story “The Martian” predicts that by 2035 NASA will have landed humans on Mars three times, perfected return-to-Earth flight systems and collaborated with the China National ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones. These first steps will be the result of decades of research, engineering, and imagination coming together, marking ...