Researchers have shown off a technique that allows WiFi to "read" English letters through a wall.

A new technique uses WiFi to count people in a seated crowd, even through walls. The secret is fidgeting.

Researchers have shown that they can harvest enough energy from otherwise wasted WiFi signals to power small electronic devices.

A new system can give college administrators insight into how many people are getting together inside buildings. That could boost social distancing efforts.

A new way to get around one of the flaws of WiFi takes advantage of the "wireless noise" that fills our houses.

A system called XModal-ID can use video of a person walking and determine whether that same person is behind a wall using WiFi and their unique movement.

A new technique can boost tracking for devices while they're indoors where GPS doesn't work. It could help us get around places like airports.

There's a new way to store and send data through music right to your phone via music. The data is imperceptible—listen for yourself.

New antennas made of carbon nanotube films could be suitable for 5G networks, drones, and the future "Internet of Things."

Hackers, like Santa, are watching us this holiday season. Here are two phone vulnerabilities and how to address them.