New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.
Our solar system's famous "invader" might be as old as the Milky Way itself.
In the vast expanse of the cosmos, where time stretches across unimaginable scales, some objects stand out as cosmic time ...
Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the possibility that the comet is an ...