Comet 3I/ATLAS brightens and turns green as it nears Earth, revealing interstellar composition and early star system origin

Interstellar comet 3I/ATLAS is now emitting a distinct green glow as it nears Earth, a transformation attributed to the ...

Comet 3I/ATLAS Can Be Seen From Home — Picking The Right Telescope To Spot It

This rare interstellar visitor (C/2025 N1) is visible now! While too faint for the naked eye, amateur astronomers can easily ...