Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long ...

NASA's Curiosity rover has unearthed compelling evidence of a past carbon cycle on Mars, discovering siderite within Gale ...

NASA’s Curiosity rover has discovered siderite, a carbonate mineral, in Mars’ Gale Crater, offering strong evidence that the ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

NASA's Curiosity rover landed on Mars on Aug. 5, 2012, and has travelled more than 34 kilometres on the Martian surface. The discovery of carbonate suggests that the atmosphere contained enough carbon ...

A ground-breaking project to suck carbon out of the sea has started operating on England's south coast. The small pilot ...

The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.