Hippos might seem harmless from a distance, but their poop plays a surprisingly dangerous role in river ecosystems. Here's how this natural waste can choke out fish, alter water quality, and even ...

Thanks to social media, people around the world have fallen in love with famous hippos like Fiona and Fritz at the Cincinnati Zoo, along with viral baby hippos such as Moo Deng. It is easy to ...

Few animals look as calm and harmless as a hippo lounging in the water, but appearances can be deceiving. Dangerously so, in the case of the hippo. Despite their bulky bodies and seemingly lazy nature ...