Writer Katherine Rundell introduces the hippopotamus as part of her series exploring the lives of 20 astonishing and endangered creatures.

You do not want to get on a hippopotamus’s bad side — it could be the last thing you do! These huge mammals can become vicious if provoked, and even though they haven’t been trained in martial arts, ...

A hippo has attacked a 2-year-old boy in Uganda, swallowing half of his body before spitting him out, a statement from the Uganda Police Force said on Friday. The child was attacked on December 4 at ...