A new image of M87 shows and confirms for the first time the feeding ring and jet of its supermassive black hole.

The most extreme fireworks in the universe are supposed to follow rules. Gamma-ray bursts, the brightest explosions known, ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Whether you want a basic scope or a more advanced system, Amazon has tons of Celestron models for the lowest prices of the year during Cyber Monday. By Stan Horaczek Published Nov 30, 2025 9:42 PM EST ...

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This artist’s illustration, which shows a high-speed jet of material being launched from a source that is embedded in a very dusty galaxy, depicts GRB 250702B — the longest gamma-ray burst that ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

There is so much to see in the night sky tonight, here's what you can look forward to. A lovely 21%-illuminated waxing crescent moon will be visible on Christmas Eve, shining in the southwest after ...