New fossil research shows that teeth originally evolved as sensory tissue embedded in the armored exoskeletons of ancient ...

Penguins are an enduring favorite in aquariums all over the world. Even videos are fun to watch, as penguins dive into the ocean or waddle along the shores of Antarctica. Although there are a number ...

African bullfrogs (Pyxicephalus adspersus) are large frogs that live across sub-Saharan Africa and prefer areas where water ...

Ancient fossils from Alaska reveal birds nested in the Arctic 73 million years ago, challenging previous assumptions about ...

The enamel that forms the outer layer of our teeth might seem like an unlikely place to find clues about evolution. But it ...

The paper documents the earliest known evidence of birds nesting in polar regions. Each spring, the Arctic comes alive with the sounds of chirping and the arrival of fluffy hatchlings, as millions of ...

What do a sea unicorn, a termite gourmand, and a freshwater predator with dagger-like teeth have in common? Odd names aside, ...

Magic Johnson and Larry Bird were the NBA's greatest rivals. It took time, but they eventually became great friends, too.

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds learned to either adapt to the harsh Arctic winter, or migrate south during the ...

we were very interested in how the power cascade might explain the shape of bird and other dinosaur beaks. Most dinosaurs, like Tyrannosaurus rex, have a robust snout with pointed teeth.

Since then, vertebrates have done a lot with teeth — in the case of birds, they have even lost them. Other vertebrates have evolved teeth in ways that are truly unique, whether in terms of size, ...

Sports mascots aside, birds have no teeth in their bills. In fact, the absence of teeth has evolved in multiple vertebrates: turtles, anteaters, baleen whales, and pangolins, for example.