This coral keeps time without a brain, showing how distributed nerve nets can synchronize movement across an entire animal.

Around the world, coral reefs are under threat from rising ocean temperatures, deteriorating water conditions, and diseases ...

A new Nature Communications study has tracked these lulls in cassiopea jellyfish, which belong to a 500 million year-old ...

Thousands of baby corals took a major step this week toward saving Florida's struggling reefs. Why it matters: They offer a glimmer of hope for a reef system that's shrunk by more than 90% due to ...

A kayaker paddling through John Pennekamp Coral Reef State Park. Key Largo’s John Pennekamp Coral Reef State Park, the first undersea park in the United States, remains one of the only places in ...

And where to stay when visiting this natural wonder.

A new study from the multidisciplinary brain research center at Bar-Ilan University found that jellyfish and sea anemones were the first to present one of sleep’s core functions.

Life on Mars? Let’s focus on fixing the Earth first — by reviving extinct species - We’re racing to build new worlds, but we ...

Octopuses break so many biological expectations that scientists still struggle to explain how they ended up this way through ...

The inhabitants of San Juan aren’t early risers. At 9am, the city’s streets are largely empty. In the Plaza Colón, there’s a cockerel scrabbling about in the flower beds. A kiosk selling coffee and ...