The U.S. buried nuclear waste in the Pacific after WWII. It’s close to resurfacing.

Indigenous people and illegal miners are engaged in a fight that may help decide the future of the planet.

People said that women had no place in the Grand Canyon and would likely die trying to run the Colorado River. In 1938, two female scientists set out to prove them wrong.

“The vegan wars are not really about veganism at all, but about how individual freedom is coming into conflict with a personal and environmental health crisis.”

Last October, Super Typhoon Yutu wreaked havoc on Saipan. Today, residents still struggle—and no one feels it more than the kids.

Inside a Danish homicide investigation.

When a brain injury leads to a personality change and then prison time, a neuroscientist wonders if his brother could have been saved.

An adventure on an Alaskan glacier with a new best friend.

Fentanyl is quickly becoming America’s deadliest drug. But law enforcement couldn’t trace it to its source—until one teenager overdosed in North Dakota.

Why everything is getting louder.

A cloud enthusiast becomes an advocate for a new type of cloud.

If researchers can figure out how pigeons and rats evolve to thrive in hostile city habitats, it could help other beasts—including us—adapt to climate change.

A profile.

In the normal universe, "to be" is annihilated by "not to be." But for reasons that are still a mystery to even the deepest math of physics, a bit of matter in a billion or so is not obliterated, it has no antimatter partner. It becomes a drop of experience.

Meet the Hyperloop’s truest believers.

On the nature of coincidence.

The warmer it gets, the more we use air conditioning. The more we use air conditioning, the warmer it gets. Is there any way out of this trap?

In 1997, a logger-turned-activist named Grant Hadwin cut down a very special tree. Then he bought a kayak and disappeared.

A tiny Alaskan island faces a threat as deadly as an oil spill—rats.

The search for the perfect hot dog—by way of haute cuisine.

“The gun debate would change in an instant if Americans witnessed the horrors that trauma surgeons confront everyday.”

What does it take to save a 300-pound loggerhead with a horrible injury? Inside the yearlong journey of recovery.

An academic in Calgary lives an extreme low-carbon lifestyle. But he really doesn’t want to make you feel weird about it.

What one funny-looking fish taught us about evolution, the internet, and the monsters we create.

In a few short hours, a normal evening along Texas’s Blanco River became the site of a deadly flash flood.