Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

Comet 3I/ATLAS is now visible from Earth, offering a unique chance to witness a spectacular celestial object right from your own backyard. You don't need to be an expert astronomer to see this icy ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

A cool interstellar comet that for millions of years has drifted in the spaces between our stars is now back in our telescope viewing range and will make its closest approach to Earth this week. We’re ...

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the sun on its path out of the solar system. The data were collected during a Shadow the Scientists session—a unique ...

A comet, dubbed C/2025 K1 (ATLAS), spectacularly broke apart into three huge chunks — and anybody with an eight-inch telescope or bigger can catch the resulting fireworks show for the next several ...

Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...