It acts as a gravitational lens, magnifying distant galaxies behind it. The Cartwheel Galaxy, 500 million light-years away, has a distinct wheel shape from a galaxy collision. This event triggered ...

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

Ken Burns is dramatically changing direction with his monumental two-part PBS “Leonardo da Vinci” series: It is the first ...

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

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

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

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

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

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

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

Oppo's Find X8 Series is launching globally soon, featuring a dual periscope camera, powerful MediaTek Dimensity 9400 SoC, ...

NASA's James Webb Space Telescope is the largest and most powerful telescope ever launched to space. Its mirror is composed of 18 individual segments that have been aligned so accurately, that they ...