Goodbye, 3I/ATLAS: Object Won't Be Visible Again Until Early December
Interstellar object 3I/ATLAS reaches its perihelion, prompting Harvard's Avi Loeb to suggest it's an 'alien mothership.'
Learn about his 'acid test' theory and his warning that 3I/ATLAS could release 'mini-probes' toward Earth as 'Christmas gifts' on 19 December 2025.
A mysterious object from interstellar space, 3I/ATLAS, is currently making its closest approach to our Sun.
This critical event, its perihelion, is happening today, 29 October 2025.
He suggests this fly-by is the moment of truth, and that the object could even release 'mini-probes' just in time for Christmas.
Today, 3I/ATLAS reaches its perihelion at around 11:47 Universal Time (UT).
Author's summary: Avi Loeb suggests 3I/ATLAS is an alien mothership.