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

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

NASA’s Curiosity rover has detected signs of significant amounts of carbon dioxide locked within the Martian crust, ...

Carbon-rich water sinks deep underground, locking away CO2 where it can’t harm the climate anymore, even during earthquakes.

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

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

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

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 ...

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...

We've long known that environmental factors—from humidity and temperature to trace chemical vapors—can influence how ...

K2-18b, a potentially habitable exoplanet 124 lightyears away, may contain biomarker DMS, but its habitability remains ...

Rice, the world’s most consumed grain, will become increasingly toxic as the atmosphere heats and as carbon dioxide emissions ...