Looking for a sky event this week? Check out our full Sky This Week column. October 14: Look south for Pluto and M75 Comet ...

A pair of Sydney Ph.D. students helped sharpen the view of humanity's most powerful space observatory—without leaving Earth.

It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...

Comet SWAN will make its closest approach to Earth — coming within 24 million miles of us — on October 20, while comet Lemmon ...

Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

With giant mirrors concentrating starlight into a 3,200-megapixel camera, the Vera C. Rubin Observatory is expected to reveal ...

Unlike Amazon Prime Day, which usually has a few deals available for non-members to shop, Big Deal Days will be a ...

His first serious camera was the iconic Olympus OM10, with which he won the title of Young Photographer of the Year - long ...

Interstellar comet 3I/ATLAS — just the third such object ever confirmed to have entered our solar system — flew past Mars ...

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million ...

Last chance! We've tested dozens of telescopes, binoculars, cameras and star projectors, and these 10 stargazing deals are ...

NASA’s Perseverance rover has been exploring the surface of Mars for evidence of ancient microbial life since 2021, but it’s ...