Ultrahuman has taken its smart ring upmarket with its new Rare models, which are crafted from precious metals and have their designs, colors, and even names inspired by the desert — appropriate ...

It’s so rare that less than 1% of galaxies have an Einstein ring, O’Riordan said. There are between 100 and 1,000 Einstein ring-like objects known, but only a few tens of them have been ...

(AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a galaxy 590 ...