Four different animals are now known to spread cancer between individuals. Here’s why humans aren’t one of them.

Only four transmissible cancers are known, contagious cell lineages that spread between animals. Meet the dog, devil and ...

During the peak antler growing-season of spring and early summer, Wyoming bull elk and buck deer can add an inch per day to their antlers thanks to lush foliage. Now that it's the peak of summer, ...

A biologist explains the real science behind post-bath dog zoomies, from pent-up arousal release to a surprising theory about ...

If you have an internet connection, you’ve probably seen Jimothy by now. The orb-like raccoon with a severely hunched back ...

On the Indonesian island of Komodo, the world’s largest lizard competes in incredible fights to earn mating rights ...

Mating with many males means more viable nests and improved offspring survival or performance for African Grey Foam-Nest ...

There are many observations of animals behaving oddly during eclipses, but the reason may have nothing to do with the sun and ...

Naked mole rats are weird. They spend their lives almost entirely underground, are largely insensitive to some kinds of pain, ...

Dragonflies are renowned for their remarkable flying abilities. Male dragonflies often compete for territory and mating ...

The bison that tossed a grandfather into the air at a Yellowstone campground will face no management action, park officials ...

Oryzias latipes, commonly known as medaka, is a small fish measuring about 2–3 cm (0.8–1.2 inches) in length that exhibits ...