Few cosmic visitors have captured the fascination of astronomers quite like the interstellar comet 3I/ATLAS. Hurtling through ...

If you have binoculars and dark skies, right now you might be able to catch two comets. Better still, one is brightening enough that it may be visible to the naked eye within a few weeks. The history ...

Gemini South caught Comet 3I/ATLAS “switching on,” as students and astronomers joined to see dust, gas, chemistry from ...

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months ...

We already knew that interstellar comet 3I/ATLAS was different from the other two interstellar objects known to have ...

Why it's so special: Nicknamed the "Great Comet of 2025," Comet C/2024 G3 (ATLAS) is currently the brightest comet predicted to be visible from Earth all year. Discovered on April 5, 2024 by the ...

Skywatchers have a lot to look forward to in spring of 2024. You’ve likely had the total solar eclipse happening on April 8 circled on your calendar for months if you’re an enthusiast, but a comet ...

The last time that a bright comet graced Arizona skies was back in 1997 with the passage of comet Hale-Bopp. Comet Hale-Bopp was one of the brightest comets ever to be seen in the skies of this great ...