Imagine the terror if a celestial visitor was not only on a collision course with Earth but also sending a mysterious radio signal. While the latest interstellar traveller, a cosmic mystery known as 3I/ATLAS, has been officially cleared as a threat, its recent appearance has forced scientists to confront a terrifying 'what if' scenario.
Since its detection on 1 July as only the third Interstellar Object (ISO) ever observed passing through our system, 3I/ATLAS has served as the catalyst for crucial new research.
