New fossil discoveries add weight to the conclusion that whales are related to land-based plant-eaters such as cows and hippopotamuses rather than to an extinct group of carnivores, two groups of ...

An endangered baby pygmy hippo that shot to social media stardom in Thailand has become a lucrative source of income for her home zoo, quadrupling its ticket sales, the institution said Thursday. The ...

A new pygmy hippo star has taken the internet by storm. A six-week-old pygmy hippo named Mars captured hearts worldwide when his mom gave him the universal "mom stare" after he refused to leave the ...