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 […]