Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

Made from transparent materials, such as glass or plastic, lenses can either converge (convex) or diverge (concave) light rays to create real ... devices like smartphones to specialised tools like ...

Insider’s tips: Book a bespoke tour with Art Route, and view contemporary issues of the day through the lens of art with one ... textured patchwork below, a concave of blue beyond, is the ...

The Euclid space telescope has, by chance, discovered its first Einstein ring, and it is absolutely stunning. Beyond its aesthetic appeal, this perfectly circular Einstein ring has allowed researchers ...

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...

This telescope is super compact, measuring under seven inches long. It can slip into a bag or even a cup holder. It has a lens cap to keep it safe and a compass on top to make sure you don't get lost.

NASA's Hubble Space Telescope managed to capture an incredible image of a galaxy that looks an awful lot like a bullseye. "This was a serendipitous discovery," said Imad Pasha, the lead researcher ...

“Roman is context. It’s like a fisheye compared to Webb’s zoom lens.” This top-down view shows NASA’s Nancy Grace Roman Space Telescope’s spacecraft bus from another angle. It rests ...

even a modest boost from binoculars or telescopes will turn this bright object into a blowtorch. This is the same principle behind using magnifying lenses or mirrors to start fires. Never ...

CAPE CANAVERAL, Fla. (AP) — Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years of the universe. At double the width of ...