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

By Will Dunham WASHINGTON, March 18 (Reuters) - Using ground-penetrating radar, NASA's Perseverance rover has detected ...

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

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

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

Multiple spacecraft and rovers have now detected what appears to be an extensive network of ancient river channels hidden beneath the Martian surface, buried under layers of lava and sediment that ...

A pyramid-shaped formation spotted on the surface of Mars has reignited speculation about whether an ancient civilisation ...

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater ...

Using its ground-penetrating radar instrument known as RIMFAX, Perseverance peered deeper beneath the Martian surface than ever before, revealing geological structures buried as far as 115 feet below ...

NASA’s Perseverance Mars rover has made another strange discovery. While investigating the Vernodden area of Jezero Crater – the crater where the rover first landed on the Red Planet in February 2021 ...