Add Yahoo as a preferred source to see more of our stories on Google. The animal kingdom has so many stranger-than-fiction animals. From a glowing green sea slug to a lizard with a toad's head, these ...

The world is full of strange creatures, and researchers discover new animal species every year. The oddities of fauna tend to become ever so much stranger when we leave the dry land and turn our gaze ...

Not every animal gets the luck of the draw when it comes to looks. While some creatures get by with soft fur and wide eyes, others work with extra flaps, strange noses, or skin that looks half-melted.

Endangered Pink Fairy Armadillo, the world’s smallest armadillo species, adapted to sandy deserts and grasslands of Argentina© Harsha_Madusanka/Shutterstock.com ...

NEW YORK (AP) — Scientists for the first time have uncovered an underworld of animal life thriving beneath the seafloor. An expedition to a volcanically active ridge in the Pacific off South America ...

The warty comb jelly, Mnemiopsis leidyi, is a fascinating sea creature with a litany of weird biological traits, including regeneration. They can also de-age themselves physically into their larval ...

Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and white blobs scattered along the high-tide line. The creatures look almost ...

For humans, the heart is everything. It's our engine, constantly pumping blood and keeping us alive with every beat. So the ...

Opabinia: The Strangest Creature of the Cambrian Opabinia regalis is one of the most bizarre animals ever discovered. Living around 505 million years ago during the Cambrian Explosion, it looked like ...

(Brian Wolly) Food can be scarce in the deep waters off Australia. To clutch its prey, this dragonfish uses sharp rows of teeth that cover even parts of its tongue. The fish is one of thousands of ...