The universe has many faces. With a naked eye, we can spot the gold, white, and brassy hues of stars and other objects from our vantage point on Earth. But visible light illuminates just a fraction of ...

A new study reveals a beautiful spectrum of hidden skin "tones." — -- You’ll rarely see a healthy person with blue or green skin, unless you’re looking at them under invisible light. Scientists ...

A galaxy seems like a hard thing to miss – let alone 39 of them – but that's exactly what a team of astronomers has just discovered. So where have these countless stars been hiding? About 11.5 billion ...

Researchers have solved a major problem for optical wireless communications - the process by which light carries information between cell phones and other devices. Light-emitting diodes (LEDs) pulse ...