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

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

Flash forward 10 years and Sivakumar had become an integrative biology major paid to conduct groundbreaking research into how ...

Fossils unearthed in Morocco are the first from a little-understood period of human evolution and may be remains of a ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...

A reduced genome in an island species raises evolutionary questions.

The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...

A study in fruit flies suggests an internal genomic arms race may be driving rapid evolution in proteins that still perform an essential, unchanging job: protecting chromosome ends.

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...