When the object now known as 3I/ATLAS was flagged by automated sky surveys, it first looked like another distant icy body ...

Astronomers study planetary transits and atmospheric signals using interstellar object 3I/ATLAS, drawing on transit spectroscopy principles and recent observational constraints discussed by Avi Loeb.

I/ATLAS, a rare visitor from beyond the Solar System, is drawing attention again after new data revealed dramatic activity on ...