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

A supercomputer simulation predicts that life on Earth will end in 1 billion years due to the depletion of oxygen caused by ...

But geological formations clearly indicate that ... Curiosity’s findings also show evidence of an ancient carbon cycle on Mars. Researchers identified iron oxyhydroxides in the carbonate-bearing ...

The result: a world similar to the one that existed around 2.5 billion years ago – before the so-called “Great Oxidation ...

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

The satellite, named Biomass, launched with a rocket from Europe's Spaceport in Kourou, New Guinea, and separated from the ...

A new study suggests that Mars may have once had an active carbon cycle, which could explain why the planet was warmer and ...

For decades, scientists have debated what wiped out the dinosaurs 66 million years ago. The usual suspects? A massive ...

NASAs Curiosity rover has discovered siderite, a carbonate mineral, in Mars Gale Crater, offering strong evidence that the Red Planet once had a thick, carbon-rich atmosphere and liquid ...

Research from NASA's Curiosity rover has found evidence of a carbon cycle on ancient Mars ... breakthrough in our understanding of the geologic and atmospheric evolution of Mars," says Tutolo.