Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) ...