Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s the question that’s been put in the limelight by the recent discovery of ...

The comet 3I/ATLAS moves against a backdrop of stars. The ATLAS survey telescope in Rio Hurtado, Chile, was the first to report that the object came from interstellar space. ATLAS / University of ...

An object from another solar system is hurtling our way. It is only the third interstellar object ever spotted in our Solar System, although many others have probably passed unnoticed. The object ...