New fossil evidence is shedding light on a colossal marine predator that once ruled prehistoric oceans. Researchers are now ...

Prehistoric sharks appeared hundreds of millions of years before dinosaurs and quickly became dominant marine predators. This ...

Megalodon tends to dominate conversations about prehistoric ocean predators. Its massive jaws and oversized teeth have turned it into a pop-culture icon that feels almost mythical. Yet during the ...

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

WELLINGTON, New Zealand (AP) — Long before whales were majestic, gentle giants, some of their prehistoric ancestors were tiny, weird and feral. A chance discovery of a 25 million-year-old fossil on an ...

A monstrous shark, predating whales, great whites, or even the bus-sized megalodon, once prowled the waters off what is now northern Australia during the Cretaceous period. Researchers, studying huge ...

A prehistoric predator changed its diet and body size during a major warming event 56 million years ago, revealing how climate change can reshape animal behavior, food chains, and survival strategies.

Isn't that the Loch Ness monster? -- The marine reptiles -- The ichthyosaurs -- The plesiosaurs -- The pliosaurs -- The Mosasaurs -- The "reason" for extinction ...

The summaries below were drafted with the help of AI tools and edited by journalists in our News division. All linked stories were reported, written and edited by McClatchy journalists. Unique ...