Newfound fossils from China suggest that complex animals were around millions of years earlier than thought, among them ...

Recent fossil discoveries in China provide crucial insights into the early evolution of complex animals, revealing a ...

It usually takes millions of years for new species to evolve, but not for fish in one African lake.

PART 1: THE HISTORICAL FRAMEWORK: EVOLUTION AS SCIENCE: Before Darwin -- Darwin and natural selection -- The arguments and the evidence for evolution -- PART 2: ORIGINS: THE ENORMITY OF TIME: The ...

The origin of organisms with complex cells, known as eukaryotes, is one of the most crucial parts of life’s evolutionary story. All animals, plants, and fungi are eukaryotes, and if complex cells had ...

In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the land. But for some species that evolution also involved a return trip. Dozens ...

A study shows evidence of “evolutionary rescue”—a kind of rapid evolution in which organisms genetically adapt to severe ...