Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

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The largest shark to ever live was likely the mighty megalodon ( Otodus megalodon ), which swam in prehistoric oceans from 23 to 3.6 million years ago and is now definitely extinct. Paleontologists ...

This article aims to discuss the largest non-dinosaur land animal to ever exist. There were actually several massive ...

Indian scientists have unearthed fossils of Vasuki Indicus, a colossal snake estimated to be over 50 feet long, from a mine ...

A recent study has shed new light on the apparent eating habits of the megalodon, an extinct shark that dominated the ...

Montana is home to one of the few remaining self-sustaining and northernmost populations of paddlefish in the world.

Millions of years ago, colossal crocodiles dominated prehistoric ecosystems. Sarcosuchus, or \"SuperCroc,\" reached 39 feet, ...

Zinc levels show the giant shark ate more creatures than expected, challenging long-held assumptions about its behavior.

The massive Megalodon had a staggering 100,000 kilocalories-per-day nutritional demand—which it didn't always fill as ...

From massive prehistoric crocodilians to giant fish that could swallow a human whole, freshwater environments have been home to some truly formidable hunters. This article explores the fascinating ...

The first time Nikki Commanda saw a lake sturgeon, nm’e in Anishinaabemowin, she thought it was a shark. “It was the biggest fish I had ever seen,” Commanda, a species at risk biologist at Nipissing ...