From horseshoe crabs to crocodiles, some of these creatures have looked about the same for hundreds of millions of years.

Prehistoric animals are often pictured as distant fossils, yet a surprising number of species still walk, swim, and crawl across Earth with body plans that echo deep time. Strictly speaking, ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

The “mighty” new prehistoric whale species was about 40 feet long based on the fossilized bones. Tanaka, et al (2025) Palaeontologia Electronica The summaries below were drafted with the help of AI ...

Fossils found in a riverbed in Japan were revealed as a large, ancient ancestor of right whales. Tanaka, et al (2025) Palaeontologia Electronica The largest animal thought to ever live is swimming ...