The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was ...

From the waters of an Arctic archipelago all the way to the Southern Ocean and marine waters in between, these photos show ...

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 ...

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

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 ...

Putting people into sleep mode is a sci-fi concept that's a lot closer to becoming real than you might think. Erin Belback is part of an ongoing human trial backed by NASA that aims to replicate the ...

From detox diets to spot-reducing belly fat, some health fads just refuse to die. Here’s why these myths endure—and what science actually says about them. A runner sips a green smoothie before ...