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

The cave, known as Grotte à Hominidés, contains assemblages of jawbones, teeth, and vertebrae dating back to 773,000 years ...

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.

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

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

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

Sitting in my campsite at Goblin Valley State Park, I saw an antelope ground squirrel standing erect on its back feet, which ...