Millions of animals are at risk, but what are the rarest animals in the world? These are some of the most endangered animals, ...

The biggest, most formidable shark to have ever roamed the ocean ... Scientists have long struggled to determine the size of ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Their biggest threat: humans ... Just in the past decade, two mammal species have gone extinct: a bat known as the Christmas Island pipistrelle and a rat, the Bramble Cay melomys.

Two Goliath beetle species are in grave danger because cocoa farming has wiped out their forests and they’re being sold on the international dry insect market.

De-extinction — the science of resurrecting extinct species — is progressing in leaps and bounds. Here are six creatures that researchers could bring back to life.

By a very small margin, Spinosaurus is currently thought to have been the largest carnivorous (meat-eating) dinosaur, ...

Fifteen million years ago, now-extinct species of dolphins ... compared the megalodon to more than 150 other species to estimate how big its head and tail were and then added those sums to ...

Rob Taft, a principal scientist at The Jackson Laboratory, a biomedical research institution that helped pioneer humanized lab mice, said via email that the woolly mouse was an "innovative extension ...

They include some of the largest animals on Earth ... and they almost went extinct. Even though this practice has been banned in most countries, some whale species still have very small ...

Great question Zavier, and one that palaeontologists (scientists who study fossil animals ... making them extinct. There are several contenders among the titanosaurs for the biggest dinosaur ...