For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions. That assumption is now being challenged by an extraordinary discovery ...

Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, ...

Earth’s atmosphere might have contributed to the origin of life more than previously thought. In a study published Dec. 1 in the Proceedings of the National Academy of Sciences, CU Boulder researchers ...

A team of researchers from the MIT Department of Earth, Atmospheric and Planetary Sciences has found that early life breathed ...

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like modern-day Death Valley evaporated under the sun's gentle heat, leaving behind ...