A cheetah pouncing on a gazelle. A bear snatching a fish out of the water with its claws. And the most dangerous predator of them all? A human and their pet bird dancing to “Gangnam Style.” Scientists ...

The oldest chambered hearts have been discovered in fossils from Western Australia. The two-chambered organs, which date back about 380 million years, are preserved within remarkable three-dimensional ...

Because we’re a member of the group, it’s easy to see vertebrates as the pinnacle of evolution, a group capable of producing bats, birds, and giant whales in addition to ourselves. But when they first ...

New CU Boulder-led research finds that the traits that make vertebrates distinct from invertebrates were made possible by the emergence of a new set of genes 500 million years ago, documenting an ...

After losing its original eyes, one of our distant ancestors may have done what evolution does best: tinkered with what was available, reshaping a single central visual organ into two new eyes. That’s ...

About 55% of humans' victim species are killed for food, most of them other mammals and fish, such as these in Gaza City in 2021. (Marcus Yam / Los Angeles Times) A cheetah pouncing on a gazelle. A ...

About 1 in 3 vertebrate species is used, eaten or traded by humans, study finds August 5, 2023 0 Comments ...

A cheetah pouncing on a gazelle. A bear snatching a fish out of the water with its claws. And the most dangerous predator of them all? A human and their pet bird dancing to Gangnam Style. Scientists ...