A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

It may have fewer than many of the other sciences, but biology does have two dozen or so “rules”—broad generalizations about ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists ...

The missing link in the mystery turned out to be an event called the Cambrian explosion. It was only after it that living ...

A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...

The researchers’ wider analysis, based on the reconstruction and more than 100 other skull fossils, has also sketched a radically different picture of human evolution, they reported Thursday in the ...

The oldest fossilised remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

The results revealed a clear sequence. Enzymes predating cannabis showed no ability to process CBGA. The first enzyme unique ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

For more than a century, scientists have treated the brain as the undisputed command center of human evolution, with the rest ...