If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

Marine fossils discovered near the summit of Mount Everest reveal that the world’s highest mountain was once part of an ancient ocean floor before tectonic collisions lifted the Himalayas.

After years of analysis, the animal turned out to be an entirely new species — one that lived millions of years longer than ...

Scientists discovered some of the oldest bony fish fossils in China. The fossils explain the early history of animals with backbones.

Researchers believe these creatures started out on four legs and later began walking on two legs as they grew.

New minuscule fossils of Purgatorius, the earliest-known relative of all primates—including humans—have been unearthed in a ...

Tiny fossil teeth from Colorado are revealing new clues about the very first relatives of primates, including humans.

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers ...

A fossil skull barely 1 inch long has proved to be a newborn reptile from Brazil’s Late Triassic, a period more than 230 million years ago when early reptiles dominated land ecosystems. Its tiny jaw ...

Professor Loren E. Babcock examines the key processes of fossilization in paleontology, highlighting the critical role of ...