Charles Darwin worried that the fossil record looked strangely abrupt, with complex animals appearing in a geological instant ...

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

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

For over half a billion years, evolution has sculpted the nervous systems of bilaterian animals, equipping them with ...

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

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in ...

The earliest feathered dinosaurs may have evolved their bird-like features while still retaining lizard-like scales on other parts of their body. This theory is based on the discovery of a fossilized ...

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 ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The insect world teems with beautiful and dazzling species ...

Navaornis hestiae (center) documents a previously unknown intermediate stage in the evolution of the central nervous system between the earliest birds (like Archaeopteryx on the left) and living birds ...