A new visitor from beyond our solar system is stirring up a profound debate, and one top scientist warns we should be paying closer attention. Harvard astrophysicist Avi Loeb suggests the interstellar object, comet 3I/ATLAS, displays a collection of puzzling features that challenge our understanding of natural comets.
As this enormous cosmic traveller speeds through our region of space, Loeb argues that its unusual characteristics could signal something much more extraordinary — and potentially dangerous — than a simple chunk of ice and rock.
