When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

This composite image features X-ray, ultraviolet, optical, and near-infrared data of the luminous fast blue optical transient (LFBOT) named AT 2024wpp. The transient is the bright spot at the upper ...

Two years ago, evidence of a big cosmic burst reached Earth in the form of bright blue flash. Nicknamed “the Cow,” it looked like a supernova—a star’s dramatic death—but it happened even quicker than ...

Scientists believe they may know what caused a strange bright blue flash from space nicknamed “the Cow” — a mystery that has baffled astronomers since its discovery in 2018, when it was described by ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...