Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

NASA's silence on interstellar comet 3I/ATLAS has sparked online theories after scientists observed bizarre tail shifts and ...

The interstellar comet 3I/ATLAS has captivated astronomers with its unusual behavior, challenging established comet physics.

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

According to NASA, the object was discovered on 1 July 2025 by the DOE/NSF-supported Asteroid Terrestrial-impact Last Alert ...

Comet C/2025 A6 Lemmon is getting brighter and whether you have a telescope, binoculars or just your eyes, here’s how you can catch a glimpse.

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new ...

Comet C/2025 A6 — also known as Lemmon — will make its closest approach to Earth on Tuesday night, Oct. 21, and will continue ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...

It has been a few years since we’ve seen a decently bright comet grace the nighttime sky, but one is now passing through our celestial neighborhood. It certainly won’t compare to the rare cosmic ...