On a Bahamian island, in a landlocked lagoon, the planet’s densest collection of seahorses is offering scientists new ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

From ice-free Martinis to drinks crafted with invasive jellyfish, cocktails are increasingly being shaped by seasons, ...

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

The National Aquarium in Baltimore discusses jellyfish. Joshua delivers reality check to Paul with sixth-round KO Judge deals blow to Trump admin’s ‘rebellion’ claim US seizes vessel off Venezuelan ...

A study of marine parks spanning Mexico to Ecuador found key differences that allow ecosystems to flourish. Seen from above the ocean surface, the tiny island of Roca Partida in Mexico's Revillagigedo ...

Dan Buettner's iconic National Geographic cover story transformed our idea of what makes for a long, healthy life. It's now published online for the first time. OKINAWA, JAPANSquatting effortlessly on ...