Wildlife groups argue the U.S. Fish and Wildlife Service to put common hippos on the endangered list to protect against U.S.

Watch the Video Click here to watch on YouTube Thanks to social media, people around the world have fallen in love with Fiona and Fritz at the Cincinnati Zoo and the adorable memes of baby Moo Deng.

Last year, photographer Frankie Adamson spent three days returning to a hippo carcass on the edge of the Masai Mara reserve ...

The hippo, could also have offered unique agricultural and military advantages to African civilization. However, the hippo's aggressive nature, crushing jaws and four-and-a-half ton size make them ...

Reports of baby pygmy hippos in Thailand and in Richmond, Virginia, have garnered much attention for their respective zoos, attracting many visitors.

Poppy — a viral baby pygmy hippo at the Metro Richmond Zoo — got her own livestream on Jan. 13, the Virginia zoo announced.

Photographer Maureen Gibson captured the moment while visiting Kruger National Park, South Africa. Ms Gibson, 71, said: 'I was watching the birds fishing near the hippo when it suddenly dipped its ...

An curved arrow pointing right. Two engineers from South Africa were designing a wheel barrel when they realized they could put water in the wheel. From that idea the Hippo Roller was born and is ...

Opinions expressed by Forbes Contributors are their own. Amanda Kooser covers the quirky side of science and space. The pygmy hippopotamus was born on Dec. 9 and given an official birth ...