Humans aren't the only species who get choosier about their friends as they age - chimps do it too

As we grow older, we prefer to spend time with our closest, oldest friends rather than...

You may love your dogs' faces, but they don't particularly care for yours, new research shows

Humans look to faces for information. But dogs aren't particularly excited by their...

Fossils found in New Zealand suggest the ancestor of all penguins lived on Earth's lost 8th continent, Zealandia

Researchers identified a new, extinct species of penguin that lived 3 million years ago....

3 discoveries have upended scientists' understanding of how dogs age, navigate, perceive human speech

Recent discoveries show dogs understand speech just like we do, and that their human-age...

Your 1-year-old dog isn't 7 human years old, contrary to the traditional math

A new study finds that puppies age more quickly than older dogs do, and that dogs' aging...

Fascinating animal species discovered in the last decade, from the 'Wakanda' fish to the world's tiniest frog

Scientists travel to remote mountain forests and the deepest regions of the seas to...

Elephants can smell quantity, a study suggests. It's a new level of olfactory prowess.

Elephants in a recent study picked out larger amounts of seeds by smell alone. Some could...

Elon Musk finally took the wraps off his new brain microchip company that plans to connect people's brains to the internet by next year

Elon Musk's secretive brain microchip company held an event on Tuesday night detailing...