A newly discovered dolphin species from 22 million years ago shows evidence of early echolocation, akin to modern dolphins' ...

The world-famous beluga whale thought to have been trained as a Russian spy and later found dead under fishy circumstances is ...

The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest animal.

The Hvaldimir whale - which was spotted off the coast of Norway in 2019 - was originally thought to have been a Russian spy ...