A Clue That Water May Have Once Flowed There Mars, becoming a home for humans, is a hypothesis is one we've been trying for ...

The Mars rover found geological formations in Gale Crater showing how water percolated beneath the surface, and ...

NASA scientists have discovered a mysterious structure on Mars that may offer new insights into the Red Planet's watery past. The dark, pitted rock, nicknamed 'Skull Hill', was discovered by NASA ...

My 2024 paper calculates that if you took all the water that was ever present on Mars and spread it out, you could coat the planet in a uniform layer somewhere between 380 meters to 1,970 meters ...

A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about whether Mars was ever able to support life.

A mineral grain from a meteorite preserved evidence that water was present on Mars 4.45 billion years ago, and it may have created hot springs habitable for life.

Mars’ iconic red color comes from ferrihydrite, a form of iron oxide that contains water, according to a new study. The mineral suggests a cold, wet period in Mars’ history some 3 billion ...

Mars Hosts a Giant Reservoir of Water Underground, We Just Can’t Easily Reach It, Study Finds The water is enough to cover the Martian surface in a mile-deep ocean, but it’s beyond the reach ...

April 25, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.