For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their teeth with sticks or fibres, or easing gum pain with makeshift “toothpicks” ...

“Dorsal green coloration with irregular brown mottling provides camouflage in moss-covered, dimly lit cave entrances; expanded digital discs enhance grip on wet limestone substrates; and fully webbed ...

The push to reduce spending on foundational research is shortsighted, Tesla A. Monson and Marianne F. Brasil write.

Little is known about the early history of lizards, snakes and their kin. New fossil discoveries reveal a complex evolutionary journey.

New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a confusing set of features seen in snakes and geckos—two very distant relatives. One of the ...

If you’ve ever picked up a shark’s tooth on the beach or seen a prehistoric creature’s skull on display at a natural history museum, you may have noticed one characteristic that all these fossilized ...

Dixon, the potbelly pig, has become a social media sensation thanks to his singing chops and his bright white chompers.

Hold on! Don’t be misguided by these cute, big eyes. This small, fuzzy creature can kill you in minutes. Many lovely-looking animals in the wild won’t hesitate to attack you if you give them a chance.

A 95-million-year-old crocodyliform fossil, affectionately nicknamed Elton, was discovered in Montana by student Harrison Allen. Unlike most crocs, it lived on land and ate a varied diet. The find led ...

Male bullfrogs fight each other in a pond in order to establish dominance and the chance to mate with a female bullfrog.