Advanced 3D reconstructions of the comb jelly’s aboral organ reveal a sensory system far more complex than scientists expected. The organ contains a wide variety of specialized cells and is closely ...

The fossilized remains of a creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle. Scientists say the plant eating reptiles now called Tanyka consisted of ...

The remains of a "weird" creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle. Scientists say the plant-eater Tanyka was a “living fossil” when it stalked ...

A routine genetic test in South Korea uncovered Acanthochitona feroxa, a chiton species misidentified for years.

The 300 million-year-old Tyrannoroter heberti had teeth specialized for eating plants, making it one of the oldest species to ...

Scientists studying venomous insects made an unexpected discovery inside a simple lunchbox container — one that could help ...

The blue whale is the largest animal to ever exist — bigger than any dinosaur that walked the Earth. Its heart is the size of ...

During the age of dinosaurs, most lizards struggled to compete with the giants that dominated land and sky. But one lineage took a different path, abandoning the shore and adapting fully to life in ...

Biologists identify a new species of "living fossil" chiton through cutting-edge mitochondrial genome sequencing.

From horseshoe crabs to crocodiles, some of these creatures have looked about the same for hundreds of millions of years.

Peptides are the essential building blocks of proteins like collagen, elastin, and keratin. Scientists had previously been aware of bradykinin in wasps, but they assumed it had the same evolutionary ...

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate ...