Infrared exercise combines intense workout routines with infrared heat, usually in a sauna, to boost metabolism, flexibility and circulation.

With a combination or red light and full-spectrum infrared tech inside, this at-home sauna can heat your body without overheating your home.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Picture this: It’s one of those perfect, sun-filled days in late July that feel like 36 hours instead of ...

The new method, which uses quantum dots, performs as well as or better than current infrared light sources while being much simpler to make. The scientists hope the breakthrough could lead to cheaper ...

Sunlight contains an electromagnetic spectrum (special waves such as the kind in x-rays that travel through emptiness or a vacuum) of light that stretches from very short gamma rays to very long radio ...