Interstellar comet 3I/ATLAS was first spotted in our solar system in July 2025. Since its arrival, scientists have been confident it is a natural comet, but its rare interstellar origin made it an ...
Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...
"That is why it is important to keep searching." ...
Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero conditions, while Nasa dismisses claims it is an alien probe.