Narwhals are often called the “unicorns of the sea” thanks to the long, spiral tusk that juts from their heads. This tusk, which is actually an elongated tooth, can grow up to 10 feet long and ...

Creatures don't have to be cute, cuddly or beautiful to be well adapted. Check out the weird features of these strange critters. For them, being ugly helps them to ...

Check out some of the world's weirdest-looking animals and their amazingly odd traits. Some animals are so mind-boggling, it's hard to believe they exist. Advertisement ...

One of the world’s strangest looking animals has been rapidly vanishing from Australian waterways. When ranger Alfred Hunter ...

I write about the world of biology ... just a few groups of ancient animals that live on: And, here are the animals that get my vote for “most prehistoric-looking.” They may not be the ...

While all species of bird have features that make them unique, some are just a feather more unique-looking than others ... consideration for the weirdest birds in the world, but the helmeted ...

Most of us learned about nature and animals in school. But as we step outside the four walls of those classrooms, we realize that the world around ... up in the air, looking like a kernel of ...

If there was a prize for the world’s strangest cephalopods, we’re pretty sure argonauts ... the philosopher Aristotle suggested in his work The History of Animals that these octopuses used their arms ...

A rhesus macaque monkey hangs out near a fence at the primate research center at UC Davis on Tuesday in Davis, Calif. A UC Davis psychiatry professor recently developed a technique that the ...