PHOENIX — Just when you thought it was safe to go back to northern Arizona comes word that sharks used to roam around Flagstaff. It was a long, long time ago. “[About] 260 million years ago, there was ...

Add Yahoo as a preferred source to see more of our stories on Google. MAMMOTH CAVE, Ky. (FOX 56) — A new species of ancient shark was recently discovered at Mammoth Cave National Park. Fossilized ...

A new study analyzing two fossilized whale skulls from around 5 million years ago has revealed fragments of sharks' teeth ...

(CN) — During an extensive search for new fossil species, Jun Ebersole found one in an old box. “A few years ago, I was looking through the historical fossil collections at the Geological Survey in ...

Add Yahoo as a preferred source to see more of our stories on Google. Fossils of an ancient shark species have been discovered in a Kentucky cave, officials announced during Shark Week. The Discovery ...

Maryland could soon have a state shark. The massive predator’s fossilized teeth can still be found around the state.

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was made ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

With rows of razor-sharp teeth and powerful jaws, bull sharks are some of the most aggressive and dangerous sharks on the ...