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

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

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 ...

Scientists propose a simple but powerful new method for detecting traces of alien biology, whether on Jupiter's icy moons, in ...