Euclid, a space telescope on a mission to uncover the secrets of dark matter and dark energy, has already made a stunning discovery: a perfectly formed Einstein ring hidden in a well-known galaxy.

Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...

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

Gravitational lensing occurs when the gravity of a massive object, like a galaxy, warps the fabric of spacetime, bending the light from a more distant background object.

CAPE CANAVERAL, Fla. (AP) - Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, ...

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

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

Join me as I pick the best lenses for astrophotography fans shooting a starry night sky, to suit a range of cameras and budgets. I think that the best lenses for astrophotography are vital for getting ...

We’ve always been big fans of Sony’s top-flight G Master lenses. They’re big and beautiful, but expensive, designed to suit the best Sony cameras for professionals. These lenses aim for the ultimate ...

The 12x50 Monocular boasts advanced Fully Multi-Coating technology and a large BAK4 prism lens, ensuring high-contrast and color-accurate images. Whether you wear glasses or not, you can enjoy a ...

Refractor telescopes use specialised lenses to gather and focus light into an image, displaying a magnified sky view. In contrast, reflector telescopes use curved mirrors to reflect light onto the ...