Traditions, feuds, and controversies in British pest control.

South Florida is being overrun with cane toads, which can weigh almost six pounds. No one knows why they are swelling in numbers or when their population growth will slow.

For insect detectives, the trickiest cases involve the bugs that aren’t really there.

The inner lives of other species.

He was the most powerful fish broker in New Bedford, America’s most valuable seafood port. The Russians who arrived looking to buy his operation were undercover agents and he told them everything.

On the underground doctors unleashing the healing powers of hallucinogens.

In Arctic Siberia, Russian scientists are trying to stave off catastrophic climate change—by resurrecting an Ice Age biome complete with lab-grown woolly mammoths.

The DIY explorers who dream of a 35-million-mile trek.

On light pollution and a place called Gerlach.

A war on wolves in Utah.

Around 60 people in the world share a condition called “highly superior autobiographical memory.” They remember absolutely everything.

A team of researchers has a controversial plan to root fake data out of science.

Astronomy, history, and spirituality collide at the summit of Hawaii’s Mauna Kea.

On Alaska’s North Slope, village schools aim to blend book learning with the Arctic reality.

Can a $100,000 robot that makes a delicious crab bisque replace a real chef?

We devote vast resources to intensive, one-off procedures, while starving the kind of steady, intimate care that often helps people more.

Did our ancient cousins get a bad rap?

When a creature mysteriously turns up dead in Alaska, veterinary pathologist Kathy Burek gets the call.

Stalking bluefin tuna, the most valuable wild animal in the world.

Growing crops in the city, without soil or natural light.

After thousands of birds vanished overnight from a Florida refuge, conspiracy theories bloomed.

Henry Heimlich saved untold choking victimes when he invented his maneuver in 1974. Since then, he’s searched in vain for another miracle treatment—pushing ethical boundaries along the way. Now at the end of his career, Heimlich has hired an investigator to find an anonymous critic working full-time to destroy his legacy.

The little-understood history of the whales and how barnacles may be the key to understanding how giant mammals evolved underwater.

A photographer’s quest to document a changing planet from above.