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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.
Briane Nebria Oct 31, 2025

Interstellar Visitor 3I/ATLAS Slams Sun—What Happens Next?

Interstellar visitor 3I/ATLAS reaches perihelion, its closest approach to the Sun at 1.4 AU, just inside Mars' orbit. Discover why this crucial milestone is a key moment for scientists to observe its behaviour under maximum stress.
Briane Nebria Oct 30, 2025

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