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

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.

Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of Yale paleontologists ...

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

Scientists at Queen Mary University of London and the University of Hong Kong have created a mouse with substituted genes ...

A rare 9-foot oarfish dubbed the "doomsday fish," washed up in Encinitas, California, marking the third sighting of the ...

However, a new study from the University of Geneva suggests that the egg could in fact predate all animal life. A ...

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 ...

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

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

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

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 ...