Technology

The fusion energy start-up Commonwealth Fusion Systems aims to bring its first power plant online by the early 2030s, but daunting technical hurdles remain

A British start-up recently pulled off a key maneuver for electric vertical flight—but certification, infrastructure and demand will decide whether air taxis fill our skies

A premapped course, a crew of handlers and a world-beating time: here’s what this Beijing half marathon reveals about how far humanoid robots have come—and how far they haven’t

The company says Mythos is too dangerous to release publicly. Cybersecurity experts agree the model's capabilities matter, but not all of them are buying the most alarming claims

As AI songs get harder to tell apart from human-made music, an older technology offers a revealing preview of the fight over artistry, labor and pay

Binoculars and other far-range optics span a gamut of price points. Here’s what separates top-tier from entry-level

With the rise of private orbital habitats, vacations in space are becoming a real possibility for the ultrawealthy

The SciFy program tests whether adversaries’ most outlandish scientific claims add up or fall apart

Modern luxury watches can be traced back to one of Napoleon Bonaparte’s younger sisters

Scientists are exposing the biological information hidden in ancient parchments without leaving a mark

NASA plans to launch a wildly ambitious nuclear-powered octocopter to Saturn’s largest moon, Titan, in 2028

Here’s how scientists drilled 8,000 feet through ice to place the world’s deepest seismometers