Hippos perform an underwater ballet, mixing elegance with hilarious aquatic fun.

The 2025 Ocean Art Photography Competition celebrates life beneath the surface, from intimate encounters to rare marine behaviors and striking flora and fauna.

Hippos stun with expert diving moves, turning water into a stage for their skillful show.

For the mathematically minded, the clean lines and pleasing logic of equations can be lovely things to behold. But for the uninitiated, even the most elegant math might as well be gibberish. The same ...