Identical twins don't always have identical genes, new research shows

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

Octopuses can taste with their arms — here's how their tentacles distinguish food from toxic prey

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

You can bond with your cat by narrowing your eyes and blinking slowly

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

Scientists captured video of a rare squid with tentacles as long as a human

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

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...