Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe, second only to the Big Bang. The majority of ...

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. NASA's Hubble ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

Want to make the most of your money? Now that Black Friday's over, here's when you should shop to save on gear.

Often considered the strongest meteor shower of the year, the Geminids produce numerous colorful meteors every hour. During ...

In 2015, NASA celebrated the Hubble Space Telescope’s 25th year in orbit by releasing one of its most stunning images to date—a colorful star cluster in the constellation Cari ...

The Roman Space Telescope is one of NASA's next great observatories, designed to explore some of the biggest questions in ...

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

A record-bright LFBOT exposes violent encounters between black holes and stars, helping astronomers understand extreme black ...

One story rose above all the others — new and older telescopes are putting us on the cusp of monumental discoveries about our universe.

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

“The recent Nature paper by Borlaff, Marcum and Howell raises important concerns about our ability to continue gathering ...