Millions of years ago, some prehistoric otters grew far larger than any species alive today. Fossils of the giant otter Siamogale show a powerful predator with jaws capable of crushing hard shells and ...

Paleontologists regularly discover fossilized dinosaur bones, but they sometimes locate footprints and prehistoric shells. On ...

The sands of the Arabian peninsula were once dotted with lakes that teemed with life, but early humans avoided them unless ...

A turtle with a disproportionately large head, powerful claws and a prehistoric appearance has caught the attention of ...