Paleontologists have revealed what may be the earliest known saber-toothed animal to have ever lived—a predator that roamed ...

A giant skull of a prehistoric sea predator has been unearthed by a team of fossil hunters in the UK, the BBC reported. The more than 6-foot-long skull belongs to a pliosaur, a marine reptile that ...

1. The age of mammals -- 2. The origin and early evolution of mammals -- 3. Marsupials : pouched mammals -- 4. Placental mammals (Eutheria) -- 5. Xenarthra : sloths ...

When some of the more entrepreneurial lifeforms started moving from water to land some 390 million years ago, things soon got ...

Researchers have revealed a previously unknown species of "giant sea lizard" with a fearsome set of "dagger-like" teeth that lived during the age of the dinosaurs. The new species, described in a ...

Peruvian paleontologists on Wednesday unveiled the 12-million-year-old fossil of a prehistoric porpoise found near the country's Pacific coast. The fossil, which measures 3.5 meters (about 11.5 feet) ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more A rare fossil has ...

"Ancient sea cow attacked by a crocodile and sharks sheds new light on prehistoric food chains." ScienceDaily. www.sciencedaily.com / releases / 2024 / 08 / 240829132517.htm (accessed October 17, 2025 ...