Millions of human artifacts circle the Earth. Can we clean them up before they cause a disaster?

Millions will be displaced. Where will they go?

Here’s how a tiny brush fire became California’s deadliest wildfire.

How UFO culture took over America.

What the journey of swifts, who spend all their time in the sky, tell us about the future.

For the first time, data scientists have modeled how climate refugees might move across international borders. This is what they found.

There are myriad arguments for and against eating roadkill. Can they all be true at the same time?

Scientists are studying the extreme weather in northern Argentina to see how it works—and what it can tell us about the monster storms in our future.

Young climate activists like Jamie Margolin are building a movement while growing up — planning mass protests from childhood bedrooms and during school.

Sounding a warning on pesticides.

The planet’s tallest animal is in far greater danger than people might think.

Humpbacks are some of the most watched whales in the world, and yet so much of their lives remains a mystery.

At 37, Brian Wallach was diagnosed with the fatal disease. So he tapped a lifetime of connections to give help and hope to fellow sufferers—while grappling with his own mortality.

To speak of the human as such, as the modernists did, is like taking a piece of the wild, putting it into a petri dish, adding bleach and antibiotics until more than half of what’s in there is dead and then celebrating the barely-living remains as “the human.” Provocatively put, the human is a sterile abstraction, a harmony of illusions.

The story of the loneliest whale in the world.

EEE kills almost half of its victims, and cases are on the rise.

A cri de cœur on AIDS: “If we don’t act immediately, then we face our approaching doom.”

A profile of the contrarian French scientist Didier Raoult, who proposed an anti-malarial drug as a COVID cure.

Exploring your subconscious during quarantine.

The explorers who set one of the last meaningful records on earth.

Can genetic engineering bring back the American Chestnut?

The island of Borneo is the only home of the proboscis monkey, an endangered primate that is surprisingly resilient.

A guide to making sense of a problem that is now too big for any one person to fully comprehend.

Wuhan-based virologist Shi Zhengli has identified dozens of deadly SARS-like viruses in bat caves, and she warns there are more out there