A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among ...

In a case of mistaken identity, fossils from two whales were disguised as the backbones of a woolly mammoth. The fossilized ...

Bones thought to be world's youngest mammoths for 70 years turn out to be whales. DNA reveals shocking truth about Alaska ...

The legendary “Little Foot” fossil may be an entirely new human ancestor. An international team of scientists led by ...

A mass extinction created the ecological conditions that set the stage for a dramatic shift in marine life.

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

The way Sahelanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

Ancient fossils from Moroccan caves, dated with rare precision, offer rare insight into early human evolution.

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

Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs. The hell ant existed over 100 million years ago, ...

In rural Prentiss County, on a triangle of land cornered between a stretch of U.S. 45 and Twenty Mile Creek, Joanna Byrd McDowell walked her two petite leashed dogs on a narrow clay path a few feet ...