While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with ...

The 500-million-year-old primitive fish without bones or teeth has surprisingly advanced anatomical features. “Based on the ...

Everyone has a past. That includes the millions of species of insects, arachnids, and nematode worms that make up a major animal group called the Ecdysozoa.

It's not your uncle who tried to deep-fry a turkey in his bathtub. From animals who mistake their own reflections for rivals ...

How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question.

The team is still in the early stages of robot construction, and in addition to the water-to-land transition, they also hope to eventually study the evolution of flight and how some animals ...

Marveling at fish that build, speeding wombats and other wonders of the animal world.

Nearly every bone of the animal has been recovered, and unlike most pterosaur fossils, this specimen is preserved in three ...

The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals. A team from the University of Geneva (UNIGE) has observed that ...

A new study from the University of Arizona reveals that color vision in animals evolved around 500 million years ago, much ...

New research unveils the evolutionary origins of stem cells through a groundbreaking experiment that successfully created a ...