NEW YORK – During the dinosaur age most mammals were puny, generally weighing less than a pound. Now a bizarre fossil skull from Madagascar has revealed a comparative giant, one that clocked in at ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

A remarkably well-preserved fossil discovered in China suggests that millions of years ago, some mammals actively hunted dinosaurs that were several times their size. The 125-million-year-old bones, ...

WASHINGTON, July 18 (Reuters) - While there is little doubt that many a Mesozoic mammal became a meal for a dinosaur, it may come as a surprise to learn that some mammals also dined on dinos. A ...

When a team of scientists reanalyzed a cat-sized dinosaur fossil discovered more than two decades ago, they realized the remains of the predator’s lunch had been hiding undetected in its stomach.

Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct. Suspected footage of Zaglossus attenboroughi -- the long-beaked ...

Hot or not? Peeking inside an animal’s ear — even a fossilized one — may tell you whether it was warm- or cold-blooded. Using a novel method that analyzes the size and shape of the inner ear canals, ...

Rediscovered after 60 years, the funky critter is named for Sir David Attenborough and is one of only five species of monotreme remaining on Earth. By Laura Baisas Published Nov 14, 2023 9:09 AM EST ...

The world's oldest known mammal has been identified using dental records – predating what scientists previously thought was the first mammal to walk the Earth by millions of years – according to new ...