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 ...

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

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes can be their biggest advantages. Found across every continent except ...

Their fur is so soft it almost led to their extinction, but otters’ recovery has been a boon to Pacific kelp forests, a key ...

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 ...

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 ...

Tourists swim in a cenote, or flooded cave, outside Playa del Carmen, Mexico. The Yucatan Peninsula is dotted with thousands of these interconnected limestone caves, which are fed by a ...

Animal bones are full of collagen, calcium, and minerals—and are even more nutritious than meat. We asked food scientists how to make them part of your diet. There’s more value in bones than collagen ...

New research unveils 14 previously unknown marine species, offering fresh insight into life hidden in the ocean’s depths.

Spend the night in locations guaranteed to thrill, from pods dangling off a cliff to underground rooms in an old mine. If a series of transparent capsules suspended 1,300ft above Peru’s Sacred Valley ...

Next time you're on social media consider this: one study evaluating influencer posts on Instagram found that 86 percent of nutrition content didn’t cite any scientific sources—and other research ...

The founder of the Mormon Church rocked 19th-century America with his spiritual visions, his belief in polygamy—and even a presidential run. Joseph Smith, Jr., the founder and leader of the Church of ...