New research suggests ancient Mars had rainfall, forming valleys and rivers—hinting at a wetter, possibly habitable past. (CREDIT: CC BY-SA 4.0) ...

Mars, the Red Planet, may have been much wetter in the distant past than scientists ever imagined. A groundbreaking discovery has revealed more than 15,000 kilometers of ancient riverbeds in Mars’ ...

In total, the researchers discovered more than 15,000 kilometers of these ancient riverbeds – some extending hundreds of kilometers in length. "Our work is a new piece of evidence that suggests that ...

Mars’ dusty plains may once have rippled with rivers. Scientists have traced over 15,000 kilometers of ancient riverbeds across the planet’s southern highlands, hinting that the Red Planet was ...

A new analysis of data from NASA's Curiosity rover suggests Mars was once a planet filled with habitable river systems, brining scientists closer to finding ancient signs of life on the Martian world.

How much water did Mars have in its ancient past and when did it disappear? This is what a recent study published in Geophysical Research Letters hopes to address as an international team of ...

Ancient Mars Once Boasted 'Vacation-Style' Beaches Published Feb 24, 2025 at 3:00 PM EST Updated Mar 02, 2025 at 12:59 PM EST By Ian Randall ...

Today's Mars is a desert coated in rust-colored dust. But this wasn't the case 3.7 billion years ago, according to new research presented at the Royal Astronomical Society's National Astronomy ...