The curious minds at What If examine the hypothetical deep-sea clash between the massive Megalodon and the apex marine reptile Mosasaurus to determine which prehistoric giant would dominate the ocean.

A mosasaur tooth was discovered in the same displaced Hell Creek block as a T. rex tooth and a freshwater crocodilian jaw.

Spectacular marine fossils tell the story of the long-gone Western Interior Seaway and the planet’s past aquatic life ...

This supplied photo shows an image rendering of a mosasaur, a large marine reptile that lived between 80 million and 65 million years ago. (Copyright Satoshi Kawasaki ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

A 9-foot great white shark was spotted off the coast of La Jolla Shores Tuesday evening, the San Diego Fire-Rescue Department announced. The shark was spotted off the coast around 7:15 p.m., and while ...

‘I love you,’ Leah Stewart told her mother and partner after coming out of a coma on Tuesday A woman attacked by a shark at Sydney’s Coogee beach has uttered her first words after waking from a coma ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A new study in eastern Papua New Guinea has identified a tenth species of walking shark, ...

The Power Trio System transforms from a deep-cleaning upright to a lightweight stick and extended-reach handheld -- all with a click. NEEDHAM, Mass.--(BUSINESS WIRE)--SharkNinja, Inc. (NYSE: SN), a ...

The capture of a juvenile great white shark in Spain has provided fresh evidence that the Mediterranean's elusive "ghost" population of great whites still survives. Researchers reviewing 160 years of ...

L-R: Gavin Casalegno, Tommi Rose, Lana Condor, Kathryn Newton and Nico Hiraga in 'The Devil's Mouth' Prime Video As Prime Video’s summer of obsession continues, a movie that breaks the typical mold of ...

We put the newest Shark Air Purifier to the test for a month to see if it's worth the investment. Our editors and experts handpick every product we feature. We may earn a commission from your ...