WUHAN -- A white-flag dolphin has been seen in Yangtze River in east China, just days after a leading Chinese scientist said the animal was likely extinct. A baiji dolphin. [File] A man with a ...

Explore the haunting and fascinating footage of five extinct animals that vanished in recent history but were luckily ...

A scientific study has revealed alarming levels of toxic chemicals in the Ganga river, threatening the health and survival of the endangered Gangetic dolphins.

The massive Megalodon had a staggering 100,000 kilocalories-per-day nutritional demand—which it didn't always fill as ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of ...

Scientists discovered 85-Million-Year Old Sea Monster fossils in Canada, and identified it as a new species named Traskasaura ...

Some our favorite offshore sportfish — such as dolphin — are overfished. Long-term research into fish species will help ...

However, they retained traces of their land-dwelling ancestry, such as a pair of hind flippers — absent in dolphins — passed down from their walking forebears. They lived and thrived in prehistoric ...

Zinc isotope analysis of megalodon teeth reveals flexible diet including small prey, challenging apex predator assumptions.