Far from our solar system, brief explosions of electric-blue light are flaring in distant galaxies, outshining entire star systems for a few days before fading back into darkness. These events are so ...

Police cars have various lights they use to communicate with others on the road, but at times it can be hard to tell what exactly they're conveying. Red and blue flashing lights are standard and we ...

Q. What do the flashing blue lights off to the side of the freeway mean? They flash at the end of long poles, perhaps near construction materials. There is one at the Pacific Coast Highway exit on the ...

Exposure to blue light doesn't have adverse effects on your eye health. It can, however, disrupt your circadian rhythm. Using blue light filters may help reduce the effects of blue light exposure ...

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 ...