Manatees along Florida’s coast are eating less seagrass and more algae than they did a few decades ago. This dietary shift could pose a new threat to the survival of the beloved species.

Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

Ocean temperatures have hit record highs off the Florida Keys. Scientists and volunteer divers are racing to save these valuable creatures.

Ocean temperatures have hit record highs off the Florida Keys. Scientists and volunteer divers are racing to save these valuable creatures.

Widespread coral bleaching is underway as ocean temperatures hit record highs off the Florida Keys. Scientists and volunteer divers are racing to save these valuable creatures.

During a 2015 heat wave, scientists watched as a coral reef died before their eyes. By the end of the century, almost all the world's corals will be gone if climate change continues at this pace.

During a 2015 heat wave, scientists watched as a coral reef died before their eyes. By the end of the century, almost all the world's corals will be gone if climate change continues at this pace.

Maerl beds are the coral reefs of the British Isles. But like their tropical counterparts, they're threatened by climate change.

Maerl beds are the coral reefs of the British Isles. But like their tropical counterparts, they're threatened by climate change.