Marvel at the beauty of wildlife moments, whether on land or underwater. These amazing animal and sea creature encounters ...

One of the most important milestones in the evolution of life began some 400 million years ago, when the first animals made their way from water onto land. At that time, known as the Devonian ...

The evolution of marine mammals has reached a fascinating, and somewhat irreversible, point. Dolphins and orcas, once ...

And yet, fungi have also been integral to the development of life on Earth. In fact, neither land plants nor terrestrial animals would exist them. “Fungi are absolutely remarkable chemists ...

Early ancestors of the ocean's biggest animals once walked on land. Follow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, ...

These first steps toward life on land were cut short by the freezing ... wiping out at least half of all marine animal species about 443 million years ago.

Certain animals have evolved remarkable speeds to catch prey or evade predators. The ostrich, impala, and kangaroo showcase ...

Life expectancy of an elephant in captivity ... The oldest known living land animal is Jonathan, a Seychelles giant tortoise who is roughly 190 years old. From his native home in the Seychelles ...

All sloths are built for life in the treetops ... dragging their bellies across the ground. If caught on land, these animals have no chance to evade predators, such as big cats, and must try ...