Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy. The halo, known as an ...

Einstein ring spotted around galaxy a ‘mere’ 500 million light years away - The discovery can help scientists test Albert Einstein’s general theory of relativity.

here’s a list of the professional LED ring lights for photography. The Digitek 18-inch LED ring light is lightweight and portable and it can be mounted to an optional grip head or stand.