Learn about Dunkleosteus, an ancient apex predator that ripped apart large fish with sharp bony blades that lined its mouth.

Australian fossils reveal colossal 8-meter shark that ruled the seas 115 million years ago, proving shark lineages were larger than expected ...

Around 115 million years ago, the waters off northern Australia were home to a giant shark that totally flips what we thought ...

Yoho National Park in the Canadian Rockies holds evidence of prehistoric ocean life, including a new species. Gerry Shea via Unsplash Hundreds of millions of years ago, animals didn’t follow the same ...

Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look miniature.

A prehistoric predator changed its diet and body size during a major warming event 56 million years ago, revealing how climate change can reshape animal behavior, food chains, and survival strategies.

The summaries below were drafted with the help of AI tools and edited by journalists in our News division. All linked stories were reported, written and edited by McClatchy journalists. Unique ...