3I/ATLAS: Alien or Comet?
Oumuamua appeared in 2017, without exhibiting the normal characteristics of a comet. It lacked a coma, dust or tail, looking like a giant cigar-shaped piece of rock floating in space. Borisov came into the scene two years later with all the features of a conventional comet. On 1st, July 2025, the interstellar trinity was completed […]
Is Comet 31/Atlas Alien Tech?
Carl Sagan famously said, “Extraordinary claims require extraordinary proof.” But he never said we couldn’t discuss extraordinary claims without extraordinary proof. In that spirit, we review a new draft paper by Avi Loeb and colleagues, which asks whether interstellar comet 3I/ATLAS might be a spaceship. Avi Loeb is a Harvard astronomy professor who became a […]