The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

Mammals aren’t known for the ocular regenerative powers, but a new study shows that nature has a few tricks up its sleeve.

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...

Researchers are trying to understand why some wild species do better than others over time, as the environment changes.

It’s not always the best-adapted animal that survives. Sometimes, it’s the one that exploits its fellow creatures ...

From frogs and sponges to jellyfish and tardigrades, scientists reveal how some animals digest food without defecating, ...

Look in the mirror and the feature that quietly sets you apart from every other species is not your eyes or your opposable ...

How much does it matter where you are born, or whether you are heavy or light, if you are a house sparrow? Researcher Kenneth ...

With just venom and precision, these snakes can defend themselves from afar, without ever needing to bite you. Here’s what ...

According to new research recently published in the journal Nature Communications, the Greenland shark retained its visual ...

Some of the most disruptive creatures on the planet are barely visible at first glance. This video highlights four tiny ...

Red snakes are perhaps the most visually stunning of these intriguing reptiles, drawing attention with vibrant shades of ...