This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

It is thought that this giant snake lived in the ancient seas during the Eocene epoch, about 56 to 34 million years ago.

On opening day of his first-ever elk hunt, Chase Parker tagged a giant 6x6 Roosevelt bull that is a pending Alaska record.

New satellite photos reveal that one of the world's largest and longest-lived icebergs, A23a, has developed vibrant blue ...

The moose is a charismatic animal that inhabits the circumpolar boreal, temperate broadleaf and mixed forests of the northern ...

A massive, 835.8-pound bluefin tuna was caught off Virginia Beach on Jan. 10. It's been certified as the new Virginia record.

Out of the hole rushed the biggest wild spider I had ever seen. What’s more, instead of retreating – as most spiders do – it ...