The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...

The transition to eating cooked instead of raw meals was seen as a key development in human evolution, according to a newly published study. The question of “the first meal” has long been debated, but ...

Add Yahoo as a preferred source to see more of our stories on Google. File image: A fish goes viral with its pearly-ish white teeth (Getty Images) A rare fish with human-like teeth was spotted by some ...

The Viperfish’s Teeth Are Larger Than Its Mouth These formidable teeth cause the viperfish’s lower jaw to protrude forward. The teeth sit outside of the mouth, interlocking, with two large lower fangs ...

One fish, two fish. Green fish, blue fish. Outer teeth, inner teeth. These fish grow a lot of teeth. By Annie Roth If there is one place you don’t want to stick your finger, it’s the mouth of a ...

A fish with human-like teeth and a smile that only a mother could love is causing a buzz on social media after being snagged in the Outer Banks of North Carolina earlier this week. Fishermen in Nags ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

That’s a hell of a smile. When people think of fish, with very few exceptions, they rarely think of big teeth. A fisherman in North Carolina, however, shocked beachgoers when he reeled in a fish with ...