Ancient Mars May Have Been More Habitable Than It Looks Today Modern Mars is cold, dry, and exposed to harsh radiation. Its ...

Mars' distinctive red color comes from the mineral ferrihydrite, which only forms in the presence of cool water, a new study claims. Ferrihydrite also forms at a lower temperature than other minerals ...

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission ...

Scientists from New York University Abu Dhabi (NYUAD) have uncovered new evidence that water once flowed beneath the surface of Mars, revealing that the planet may have remained habitable for life ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose material that could hold clues to the planet's ancient environment and ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide future sampling and strengthen ...

IMAGE: This conceptual image reveals what the Kasei Valles region on Mars may have looked like three billion years ago. White areas are glaciers and blue represents ocean. CREDIT: F. Schmidt/NASA/USGS ...

The Curiosity rover has uncovered the most diverse array of organic molecules ever found on Mars, including seven that had never been detected before on the red planet. These carbon-containing ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...