An international team of researchers has examined bite marks on several seven-million-year-old skulls from extinct whales, ...

But they do have a cartilage skeleton, a shark-like skull and jaw, and at least some shark-like teeth, which were often fused together.' By the middle of the Devonian (380 million years ago), the ...

The shark is believed to be an ancestor of the great ... In April last year, researchers displayed the fossilized skull of the largest river dolphin known to date, which once inhabited the Amazon ...

The New York Times reports that for a whopping thirty years, the Canadian Wildlife Health Cooperator (CWHC) never had a ...

The shark is believed to be an ancestor of the great ... In April 2024, researchers displayed the fossilised skull of the largest river dolphin known to date, which once inhabited the Amazon ...

The shark is believed to be an ancestor of the great ... In April last year, researchers displayed the fossilized skull of the largest river dolphin known to date, which once inhabited the Amazon ...