Popular Science. Demystifying the worlds of science and technology since 1872.

The $8-billion Airo fleet promises cleaner, more reliable service as passenger rail enjoys record ridership — and faces an uncertain future in Washington.

The new device combines synthetic DNA and a semiconductor to create an efficient memory resistor, or ‘memristor.’

Cardiologist Eiman Jahangir, MD’s new book chronicles his unconventional career journey.

Used EV sales continued their surge in July, according to the latest data.

Ticklish spots are the same no matter what culture we come from.

They’re basically mini air wizards.

Toilet plumes are real, but your toothbrush is probably fine.

In a world filled with scams, being wary makes perfect sense. But health, trust and decision-making can suffer when the fear of getting conned goes too far.

A Q&A with Alaskan author Brooke Hartman on salmon, writing challenges, and why people love these bears.

Apple and Google’s mobile operating systems are more similar than ever, but differences remain. Here are some tricks exclusive to Android.

No two obsidian weapon tips are alike.

Don’t worry. The 1,500 pound weapon’s detonation was captured on camera.