Just like vertebrates, cephalopods—such as octopuses and squid—have elaborate brains. Neuroscientists are flocking to them ...

New York City’s East River has made quite the comeback since its days as a sewage dumping ground—and sequencing the ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.

Fossil research shows that an enormous "kraken-like" octopus stalked the seas during the Cretaceous period, competing with large apex predators.

Though the idea of roaming around boneless is foreign to us as humans, it is actually the state of the vast majority of life ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

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 ...

Lampropeltis knoblochi, or the Southern Arizona mountain kingsnake, was delimited as a distinct species from the Northern Arizona mountain kingsnake, or Lampropeltis pyromelana. For every recognized ...

An illustration of a four-eyed myllokunmingid, a jawless fish that lived more than 500 million years ago Xiangtong Lei and Sihang Zhang Many spine-bearing creatures, or vertebrates, have a curious bit ...

A new study, led by the University of Vienna and the Alfred Wegener Institute in Bremerhaven, shows how the eyes of adult marine bristleworms continue to grow throughout life—driven by a ring of ...

A new study, led by the University of Vienna and the Alfred Wegener Institute in Bremerhaven, shows how the eyes of adult marine bristleworms continue to grow throughout life – driven by a ring of ...

"In vertebrate examples of life-long growth as fishes and amphibians – such stem cells supply the eye with fresh retinal neurons while the animal develops," explains senior author Florian Raible, ...