3I/Atlas reaches its closest point to the Sun today — here’s what to expect from the mysterious interstellar comet 2025-10-29 editor 3iatlas, atlas3i 0 3I/Atlas reaches perihelion today at 11:47 UTC, lost in solar glare. No risk to Earth. Teams track chemistry and jets as 3I/Atlas nearing sun reappears. Source: https://www.primetimer.com/features/3i-atlas-reaches-its-closest-point-to-the-sun-today-here-s-what-to-expect-from-the-mysterious-interstellar-comet READ from source