Tiny animals like oysters, mussels, zooplankton, and insect larvae filter debris and algae to keep lakes, rivers, and seas clear.

Eco anxiety is very real, so we share this year's most uplifting stories to prove there’s hope for our climate. View on ...

A new study shows sharks and skates interact with toys in aquariums, suggesting curiosity, personality, and surprising intelligence.

Hundreds of sea animals from a controversial and now-shuttered South Florida aquarium have relocated to Dallas. In a social ...

A sea otter at the Pittsburgh Zoo has turned 20. On Friday, the zoo shared photos of Alki the otter celebrating his birthday. Marine mammal keepers set up special decorations to make sure his day was ...

Research reveals how natural selection shaped the Bajau sea nomads’ spleens to boost oxygen delivery, helping them dive for ...