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 ...

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an asteroid zooming close to Earth — only to learn it was actually a Tesla ...

A Harvard scientist has ignited speculation, claiming that a comet currently under observation might not be a mere icy rock. The object, designated 3I/ATLAS, has sparked 'alien mothership' rumours, ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Nov 17, 2025, 05:21am EST Nov 28, 2025, 12:25am EST A team ...