A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...

The discovery of siderite by NASA's Curiosity rover in Martian rocks provides crucial evidence suggesting Mars once had a ...

The siderite identified in Curiosity data helps confirm and refine models of Mars's early warm period, more than 3.5 billion ...

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks ...

Research from NASA's Curiosity rover has found evidence of a carbon cycle on ancient Mars, bringing scientists closer to an ...

A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

NASA's Curiosity rover has uncovered a hidden chemical archive of ancient Mars' atmosphere, which suggests that large amounts of carbon dioxide have ...

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.