Take a look at Nat Geo's 2025 Pictures of the Year, from wildlife portraits to groundbreaking scientific discoveries.

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 ...

Katavi National Park is typically a lush paradise for wildlife in Tanzania. However, the upcoming dry season looms more threatening than ever before. Meet the hippo, crocodile and lion families who ...

Researchers Baffled to See How Severe Drought Caused Crocs and Hippos to Engage in ‘Abnormal Behavior' Animals had their individual lifestyles in nature and rarely engaged in unusual forms of mingling ...