Thousands of enigmatic hills and mounds dotting the northern plains of Mars may hold the key to understanding the planet’s ...

The ‘Martian dichotomy’ is one of the Solar System’s greatest mysteries – but new research in closing in on a solution.

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of years ago. This finding, exhibiting a radically different climate during ...

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...

"It's possible that this might have come from an ancient northern ocean on Mars." Thousands of hills and mounds on Mars have been found to contain layers of clay minerals, which formed when ...

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled ...

Mars' dichotomy reveals a stark contrast in terrain, possibly shaped by internal mantle heat or massive impacts, offering ...

Related: Ocean's worth of water may be buried within Mars — but can we get to it? On Earth — for example, in the western United States — we find such hills in the form of buttes and mesas in ...

Dec. 16, 2024 — The combination of low temperature, atmospheric pressure and water vapor pressure on Mars means any liquid water found there would likely freeze, boil or evaporate immediately ...