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 ...