Researchers have discovered the ideal placement and pressure for an armband that could one day track heart rate without bulky wiring or sticky gel.

A new film can not only evaporate sweat but also use that moisture to power wearable electronic devices such as watches, fitness trackers, and more.

A new method for creating stretchy supercapacitors could pave the way for more flexible and dynamic wearable devices, researchers report.

A new method can print wearable sensors directly onto skin without heat. The sensors could help monitor stats like temperature, heart performance, and more.

A wearable device could one day help EMTs, medics, and ER doctors assess blood loss to better treat victims of accidents, gunshots, and battle injuries.

Fitness tracker watches can give people lots of info about their activity and health, but that data can also lead to increased anxiety, researchers say.

"We have created a low-power, low-weight, wireless camera system that can capture a first-person view of what's happening from an actual live insect..."

One day, people could monitor their own health conditions by simply picking up a pencil and drawing a bioelectronic device on their skin.

A new wearable patch for treating melanoma dissolves quickly while leaving tiny needles that deliver chemotherapy drugs over time.

Researchers have created a shadow-effect energy generator that can use the contrast between shadows and light to generate electricity.