The next time you go wild swimming, whether in a lake, river or sea, you are probably sharing the water with one of your tiniest, yet closest relatives. Subscribe to our newsletter for the latest ...

When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

This 30-million-year-long gap is actually rather helpful to Darwin. It means that there was plenty of time for the ancestor ...

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...

Exploring why some animals evolved to reach enormous sizes and the ecological advantages. I asked 3 restaurant pros to name ...

Consider for a moment the blue whale. Weighing up to 200 tons, this majestic creature is believed to be the largest animal that has ever existed on planet Earth. It also has a remarkably long lifespan ...

We talk about what an ear even is, how ears have evolved, how they work, and some of the cool ways animals have tweaked their ears to work for their lifestyle. We talk about what an ear even is, how ...

Animals have evolved to eat a lot of different things, even stuff that barely passes for food, and it shapes our entire lives from what we look like to where we live. Today, we’ll talk about why being ...

Max Telford does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds ...

This image provided by Prof. Per Erik Ahlberg shows an artist's illustration of the possible appearance of a reptile-like creature that lived around 350 million years ago in what's now Australia. The ...