A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar to reveal buried ...

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

The river delta could be between 3.7 billion and 4.2 billion years old.

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

When NASA’s Perseverance rover landed in Jezero Crater in 2021, its primary mission was to scour the remnants of a dried-up Martian lakebed for signs of ancient life. Scientists have been focused on ...

NASA's Perseverance rover has discovered evidence of ancient water flows on Mars, while a study suggests a younger age for ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator Sean Duffy in a statement. “The identification of a potential biosignature ...

NASA's Perseverance rover has detected an ancient river delta on Mars, showcasing water's historical presence. Furthermore, ...

By plying its ground-penetrating radar in the depths of Mars’s Jezero Crater, this rover has found even older deltas buried beneath those seen on the surface from space ...

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface.

On Earth, we can punch an address into Google Maps and be on our way in seconds. But plotting a course for NASA's Perseverance rover, 140 million miles away on Mars, is significantly more difficult.