From the earliest stages of development, identical twins' genomes can differ in small but...

Special receptors on their tentacles help octopuses taste objects just by touching them,...

Cats purr to grab their owners' attention, but it can be difficult for us to connect with...

A bigfin squid's body is only 15 centimetres long, but its tentacles stretch another 1.8...

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

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

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

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