Not only that, but the second lens also magnifies the first – though not very bright, it can be seen in the images collected ...

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

Over the quarter century I’ve been writing this column, I’ve been flabbergasted by the advances in telescopes for backyard ...

Each type has spin-offs. Refractor telescopes gather light with the objective lens, where light enters the scope. The wider ...

Over the quarter century I’ve been writing this column, I've been flabbergasted by the advances in telescopes for backyard ...

A team of astronomers has identified a double gravitational lens system with an extraordinary “zig-zag” light path, rewriting ...

It is just 7 pm but feels like midnight. That’s how dark it is at Nakshatra Mahasabha, an astronomy and stargazing camping ...

Astronomers have discovered two galaxies that are perfectly aligned, allowing their combined gravitational pull to act as a ...

In astrophotography, I would say 70% is technique and 30% is the equipment. I spent a lot of time learning the technique behind those incredible images of the galaxies, Zubuyer says ...

Encouraged by this accomplishment, he went on to create a larger, more powerful one. Crafting a telescope requires precision, particularly in balancing the lenses accurately. Prathamesh ordered custom ...

"That light circles around black holes, causing echoes, has been theorized for years, but such echoes have not yet been ...