A light-sensitive crystal is opening the door to a new era of “light-written” technology. Arsenic trisulfide can be reshaped ...

From pinpricks of darkness to lobsters feeling pain, here's what in the news this week.

Reaching the nearest star system, Alpha Centauri, would take hundreds of thousands of years using current rocket propulsion ...

NASA’s SPHEREx mapped water ice across vast regions of the galaxy, confirming that an essential molecule for life on Earth ...

Light does more than illuminate the world—it can also push and twist matter. It was back in the 1870s that James Clerk ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all without mechanical motion. The design overcomes a long-standing efficiency-versus ...

Feeling down? Lighting your indoors with bright bluish light at the right time of day can reduce depression, increase ...