From blood-squirting lizard eyes to zombie cockroaches, the natural world is ready for a truly terrifying Halloween.

In 1947, the Swiss zoologist Rudolf Schenkel published a paper titled “Expression Studies on Wolves.” Based on an eight-year ...

Animals respond to injury in many ways. So far, evidence for animals tending wounds with biologically active materials is ...

The weirdest-looking moths on Earth are so strange, they look like they flew straight out of a vivid dream — or a nightmare.

Earth is full of bizarre creatures, with more being discovered each year. As documented in the scientific journal Species ...

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Just when we thought we've seen it all, up pops some bizarre but adorable-looking animal that we never even knew existed. It's almost like unlocking a secret level in a video game... The reality is ...

A male blue jay on the left, a female green jay on the right and a hybrid offspring of the two species in the center. Travis Maher / Cornell Lab of Ornithology / Macaulay Library (left); Brian Stokes ...

Dakhla is africa’s strangest boomtown. To the many kite-surfers who visit the place, the combination of peaceful waters and brisk onshore winds makes it simply a great place to surf. But to the United ...

Sitting in the front seat of an open Land Rover being driven furiously backward for about a half-mile while being chased by a bugling, ear-flapping, and very pissed off elephant matriarch is, well, ...

The natural world is full of wonders that often seem to defy belief. Some creatures are so extraordinary, they look as if they’ve leaped right out of ancient myths and legends. From bizarre deep-sea ...