Read the latest articles from Popular Science (Page 448)

More magma under Yellowstone's super volcano doesn't mean an eruption is happening anytime soon.

A recent vote in San Francisco allows police robots to use lethal force, such as with explosives.

A way for lost hikers to call for help, a rechargeable fire truck, and more innovations are the Best of What’s New.

Holographic hair dyes, do-it-all beauty tools, and more medicine cabinet marvels are the Best of What’s New.

See the world through the eyes of National Geographic's imaginative photographers.

Belugas pass cultural knowledge across generations. Their survival may depend on how they collectively adapt.

It’s not a real rip in spacetime, but it’s still cool.

Disney Research Studios' Face Re-Aging Network can dramatically reduce artists' workloads and is ready for film and TV.

A clever way to grow a human ear, permanent lenses to correct vision, and more health innovations are the Best of What's New.

It's your GI tract versus the forces of nature.

What this means for development and mental health is still unknown.

The Winter Solstice is only one of many things to watch in the sky this month.

Experts argue for caution as FDA approval still looms in the distance.

Solar-powered consumer gadgets, an AI that can generate images from text, and more ground-breaking tech are the Best of What’s New.

Game-changing new developments in space, a “Parallel Reality” on the ground, and more innovations are the Best of What’s New.

Novskite can detect and identify radiation—and be used in medical imaging, too. The Department of Defense is interested in that vision.

Your birds will absolutely love this project.

Almost 40 years after HIV/AIDS was named, stigma still haunts people living with it, despite scientific progress toward treatments and cures.

Two thousand years of this evidence indicates that the Atlantic has a stormy past.

Rolls-Royce and easyJet carried out the experiment with hydrogen, which comes with its own challenges as fuel.