Here are ten animals with the highest populations on Earth. Some are quite familiar. You have never heard of some others, though.

This was no ordinary expedition. It marked the first in-depth study of the geology, ocean conditions, and marine life beneath ...

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America.

Fossil suggests four-legged tetrapods transitioned from ocean to land 35 million years earlier than previously thought.

The footprints of a reptile-like creature appear to have been laid down around 356 million years ago, pushing back the ...

Have you ever imagined what Antarctica looks like beneath its thick blanket of ice? Hidden below are rugged mountains, ...

In addition to low-lying valleys, covered lakes, and bizarre sub-glacial rivers, the Antarctic ice is also hiding massive ...

Find out which are the animals that dig holes most often in your yard, why they do it, and how to discourage them.

How big they are: The smallest plants, known as desmids and picozoa, are single-celled algae that are less than 0.0004 inches ...

It’s quite remarkable that a class of animals that turn up their toes at a bit of pollution could survive the asteroid strike ...

This incident underscores a stark reality: Under some climate scenarios, scientists predict, 80 percent of Antarctica’s emperor penguin colonies will disappear by the turn of the century.

This segment is sponsored by Humane World for Animals. Humane World for Animals has spent decades deploying to some of the world's most devastating crises to save animals. We're talking about ...