The best tech products announced this week include Samsung's tri-folding smartphone and Astell&Kern's numerous hi-fi gadgets.

A tiny sunlight emulator, a video player for your dreams and a vest for listening to trees feature in our roundup of best gadgets.

Liquid metals that flow like water yet conduct electricity like solid wires are moving from lab curiosities into the toolkit for next‑generation devices. Researchers are learning to sculpt, pattern, ...

As the holiday season approaches, the hunt for the perfect Christmas gift begins—and this year, technology is leading the way in connecting families like never before. Small in size but big on ...