The "alien mothership" hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of ...

Officials from the Pentagon have laid bare the possibility of an alien mothership visiting our solar system and directing probes to Earth, much like NASA have been doing when studying other planets.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

Astronomers are preparing for a decisive test as interstellar object 3I/ATLAS reaches its perihelion on 29 October 2025, when it will pass behind the Sun. The comet—formally designated C/2025 P1 ...