A research team reconstructed the genome of an extinct horse species through an open-air extraction at the archaeological ...

A spider on the Canary Islands lost half its DNA but gained more genetic variety. Scientists say this changes how we ...

Ancient humans crossing the Bering Strait into the Americas carried more than tools and determination—they also carried a ...

When Charles Darwin first proposed how evolution works in 1859, it seemed plausible. Tiny changes stack up over time, eventually leading a species to become something entirely different. Aside from ...

The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient viruses ...