A Chinese pet-cloning company has successfully cloned an Arctic wolf for the first time. The adorable pup is proof that cloning could be used to help save endangered species.
Researchers in Wyoming have named a new species of plesiosaur defined by its long neck and snappy jaws.
The largest head in the animal kingdom likely belongs to the blue whale, while the largest relative to body size comes from an unlikely source.
"Alien goldfish" from the Carboniferous had toothy tongue-like structures that resembled those in living mollusks, a new study finds.
A deep-sea fisher in Australia recently reeled in a creepy-looking shark with bulging eyes and a human-like smile. Experts are unsure exactly which species it belongs to.
A "donut" of mesmerizing cell-forming microtubules is among the top entries of Nikon's 2022 Small World in Motion Competition.
Lizards are a diverse group of reptiles made up of thousands of species around the world, including giant Komodo dragons and chameleons the size of your fingertip.
Researchers exploring the deep sea in the Caribbean have come across a mysterious "blue goo" that they can't identify.
With climate change, habitat loss, overhunting and more, which animals are at risk of extinction by 2050?
Organisms that reproduce quickly can quickly evolve into new species, while geographic barriers can lead to new species formation over tens of millions of years.
A dead giant squid has washed up on a beach at a nature reserve in New Zealand. A group of tourists was lucky enough to see the body up close.
A unique protein found only in tardigrades explains why these tiny animals can dry out completely and survive.
A new study has revealed local residents in Sydney, Australia, are stuck in an escalating arms race with sulphur-crested cockatoos over the security of garbage bins.
The earliest known mammal was a shrewlike animal that emerged in the Triassic period with the first dinosaurs, a controversial new study claims.
The remains of an extinct lion-size otter have been discovered in Ethiopia, and it's the biggest otter on record, a new study finds.
A megalodon tooth found suspiciously close to two fractured whale vertebrae may reflect one small whale's heroic escape from the jaws of a giant prehistoric shark.