Did people first come to this continent by land or by sea?

Xi Jinping is using artificial intelligence to enhance his government’s totalitarian control—and he’s exporting this technology to regimes around the globe.

The schism at the heart of cosmology.

What science can tell us about how other creatures experience the world.

As America has turned away from searching for extraterrestrial intelligence, China has built the world’s largest radio dish for precisely that purpose.

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.

Elon Musk’s dreams of colonizing Mars.

On wine’s sacred and profane history.

A visit to Star Axis, a desert art installation that connects you to the cosmos.