Every year, horseshoe crabs rise from the ocean in staggering numbers to take part in North America's largest mating event.

Normally, siblings resemble each other. So why does a litter of kittens often come in a variety of colors?

A 700 pound great white shark named Bella is closing in on Virginia Beach during her first tracked trip south. Researchers ...

A clip from the upcoming series "Prehistoric Planet: Ice Age" shows how iconic ice age creatures adapted to their changing environment as temperatures rose and ice sheets started to melt.

One user joked that Mango, the tabby, should be “put in the sun” so she can keep growing.

The Ice Age was a world locked in endless winter, where massive glaciers crept across continents and woolly mammoths roamed ...

These are just a few of the stunning wildlife scenes captured in the 2025 Nature inFocus Photography Awards. In the forests ...

Superficially, gene flow between dingoes and European dogs sounds like a negative outcome. Our research, however, suggests ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

Discover 10 of the world’s cruellest animals, known for ruthless hunting, harsh survival tactics and surprising aggression, ...

New video shows sharks swimming through hoops, and picking them up with their noses. It sure looks like they are having fun.

About one in 12 rams shows no interest in mating with ewes.