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.

A Montana rancher found two skeletons in combat—the Dueling Dinosaurs. But who do they belong to, and will the public ever see them?

The California coast is disappearing under the rising sea. Our choices are grim.

A giant earthquake is coming to the Northwest. Unfortunately, no one knows when.

On fireworks, and the “pyros” who practice the art.

In experiments on pig organs, scientists at Yale made a discovery that could someday challenge our understanding of what it means to die.

Is the genetically engineered chestnut tree an act of ecological restoration or a threat to wild forests?

The story of the loneliest whale in the world.

What the sensation of uncontrollable itch and the phantom limbs of amputees can tell us about how the brain works.

For years, the clients of a Colorado funeral home kept their loved ones’ cremated remains. Then the FBI called.