Scientists using NASA’s Curiosity rover have discovered siderite—an iron carbonate—in the sulfate-rich rocks of Gale Crater, ...

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

That led them to consider that these ancient aquatic organisms actually fed on iron to fuel photosynthesis, and they must ...

These conditions could have favored the first microbial life forms over 3.5 billion years ago. Researchers suggest that the energy released by the impact generated hydrothermal zones, similar to those ...

Paleontologists now know that the Precambrian actually did swarm with living creatures, and it was swarming more than 3.85 billion years ago. The earliest evidence of life comes from the ...

The path descends steeply toward the Bristol Channel, and there we will end our journey where life began 3.5 billion years ago, in the warm slosh of the sea, whose salt still seasons our sweat.