It's the first observation of "sympatric" evolution: that two species evolved from a common ancestor despite no geographical separation ...

Not only do chimpanzees maintain a rhythm while drumming on tree roots, but two subspecies use distinct tempos and techniques ...

Eukaryogenesis occurred suddenly, driven by the growing length of genes and the limitations on producing longer proteins. An ...

While researchers are still debating the exact timeline, one thing is becoming clear. Life didn’t take long to get started.