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A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

Two strange galaxies that first crossed paths about 25 to 75 million years ago, prompting 'fireworks.' ...

The final ESA/Webb Picture of the Month feature for 2025 showcases a festive-looking region filled with glowing clouds of gas ...

A distant stellar explosion has offered astronomers a rare natural experiment, one that turns gravity into a powerful optical ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

The interstellar comet 3I/Atlas will make a rare close approach to Earth on 19 December, giving astronomers and stargazers a ...

Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...

NASA has completed assembling the Nancy Grace Roman Telescope, a powerful infrared observatory set to scan vast cosmic regions, raising anticipation about what it may soon uncover about dark energy ...

Astronomers have noticed a long and very unusual luminous trail in their observations. This stretched structure, where stars ...

NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery.

"Virgil has two personalities, its 'good' side – a typical young galaxy quietly forming stars. But Virgil transforms into the host of a heavily obscured supermassive black hole, pouring out immense ...