Upgrading to a shiny new device? Here’s how to restore your old phone to its factory settings.

With swappable bezels and plenty of stamina, Xiaomi’s barebones smartwatch is a bargain.

Sony’s CRE-E10 hearing aids offer long battery life, high-quality audio, and an earbud-like design.

Meet the Zhidou Rainbow—it costs less than an ebike and is capable of completing the average US daily commute with charge to spare.

We can hold surprisingly deep conversations across languages using simple apps on our phones. But even as these apps get a fresh boost from AI, they can still lead to some awkward moments.

Mathematicians think abstract tools from a field called symplectic geometry might help with planning missions to far-off moons and planets.