Following in the footsteps of Aristotle and Galileo, NASA scientists look to take the next step in understanding auroras.

Scientists have made a fascinating discovery in the skies above the northern latitudes, capturing images of a mysterious pale ...

These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more.

Unlike red light therapy, the blue light therapy works primarily at the skin's surface. It is considered safe and ...