Microorganisms have long used hydrogen as an energy source. To do this, they rely on hydrogenases that contain metals in ...

An analysis of genomes from some of the earliest modern humans to live in Europe reveals their ancestors interbred with ...

The oldest human genomes ever sequenced reveal that our Neandertal ancestry came from one “pulse” of interbreeding and pins ...

Neanderthals interbred with modern humans 47,000 years ago, passing down DNA that still exists in many modern-day people, ...