NSF: Researchers have found a primitive Earth mantle reservoir on Baffin Island in the Canadian Arctic. Geologist Matthew Jackson and his colleagues from a multi-institution collaboration report the ...

At the heart of some of the oldest rocks in the Earth's crust, an international team has identified a chemical signature never observed until now. This major discovery opens a unique window onto the ...

In this idea, life’s first steps may have happened inside sticky gels attached to surfaces, similar in some ways to modern microbial biofilms. Biofilms are the thin layers of bacteria you see on rocks ...