Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep ...

The most familiar type of telescope is the refractor. It uses two lenses, one to collect the light and form an image, called ...

Hubble Space Telescope image of the Carousel Lens, taken in two 10-minute exposures, one using an optical filter and another using an infrared filter. The “L” indicators near the center (La, Lb, Lc, ...

A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, ...

Astronomers discovered a rare gravitational lens, with an alignment of magnified galaxies that allows them to make valuable ...

The most familiar type of telescope is the refractor. It uses two lenses: one to collect the light and form an image, called ...

Discover the wonders of telescopes, from their design to their limits, and the advanced technology behind modern astronomical ...

Astronomers in Canada used the James Webb Space Telescope — and a third time-and-space-bending galaxy cluster — to capture an ...

Astronomers using the James Webb Space Telescope have discovered a pair of distant galaxies being twisted into a cosmic ...

The Finder TW2 is best thought of as a budget innovation. It can impress with its images and videos, as long as you don't ...

The best telescopes for beginners are a great place ... our guides to the best cameras for astrophotography and best lenses for astrophotography. Best overall Best overall No astronomy experience ...

James Webb Space Telescope finds clues about a pair of faraway, interacting galaxies that trace a distinct question mark in ...