The platypus is one of nature’s strangest mammals. This egg-laying animal sweats milk, hunts by sensing electrical signals, carries venomous spurs, and even glows under ultraviolet light. Discover the ...

Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike ...

The fastest creature in the world isn’t a cheetah or a falcon: it’s a single-celled organism known as Spirostomum ambiguum, commonly found in bodies of ...

Scientists have uncovered surprising complexity in a tiny sensory structure found in comb jellies, some of the oldest animals on Earth.

Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period.

Researchers found dozens of tiny, see-through crustaceans in an Australian cave, including a new “giant” species measuring nearly 6mm (not pictured). JURE MAKOVEC AFP via Getty Images When researchers ...

Scientists found a “big”-eyed creature with “elongated limbs” in a canyon of Iran and discovered a new species, a study said. Roman Nazarov Photo from Nazarov, Nabizadeh, Rajabizadeh, Melnikov, ...

Beneath Siberian permafrost and Antarctic ice, entire Ice Age creatures have emerged with fur, organs, and even liquid blood still intact. From woolly mammoths and cave lion cubs to steppe bison, ...

A chunky, four-legged creature the size of a football has forced a reconsideration of one of evolution’s more practical questions: when did land animals first develop a taste for plants. The answer, ...

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

PENNSYLVANIA, USA — Joe asks, What is the most monogamous creature on Earth? Find out the answer in this edition of Wham Cam.