Scientists have discovered an enormous species of duck-billed dinosaur that lived in what is now New Mexico about 75 million ...

Advanced biomechanical modeling shows that early mammal ancestors likely used an eardrum to hear airborne sounds 250 million ...

The oldest ancestor of humans may be a seven-million-year-old ape, which started walking upright two million years earlier than other hominids.

A humungous shark that lived 115 million years ago surpassed the size of modern-day great whites, paleontologists discovered ...

Anacondas have been giant for millions of years, a new study finds. The enormous snakes' average body size has remained constant since they first appeared in the fossil record about 12.4 million years ...

A research team led by scientists at Kumamoto University has discovered a new genus of microscopic crustaceans from northern ...

Scientists have digitally reconstructed the face of a 1.5-million-year-old Homo erectus fossil from Ethiopia, uncovering an unexpectedly primitive appearance. While its braincase fits with classic ...

Study suggests adapting to life on land wasn't the biggest challenge facing fish coming ashore millions of years ago.

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in the clouds of gas and dust that swirl just beyond our solar system—almost ...

The textbook version of human evolution has long held that Homo erectus was the pioneering species to venture beyond Africa's borders around 1.8 million years ago. However, new analysis of five skulls ...

We went searching for fossils in Alabama and uncovered clues from 320 million years ago. At that time, the continents were ...