To help you explore this tree and understand the amazing mechanism behind it, we’ve created the NOVA Evolution Lab. Play this Lab and you’ll be on your way to becoming an expert in ...

Intracellular endosymbionts that originally descended from free-living prokaryotes have been important in the evolution of eukaryotes by giving rise to two cytoplasmic organelles. Mitochondria ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Convergent evolution occurs when organisms that aren’t closely related ... We observe this phenomenon all over the tree of life, from mammals and invertebrates to plants and microorganisms. Species ...

Cheddar Man lived around 10,000 years ago. The story of human evolution is not one of neat, linear progression with a concrete beginning and end. Instead, it is a tale of a family tree whose complex ...

An international collaboration between four scientists from Mainz, Valencia, Madrid, and Zurich has published new research in ...

But how did the evolution of life proceed through the early ... We used this information to layer on dates to the bacterial tree of life. We started by training an artificial intelligence (AI ...