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 ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

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 ...

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

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

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

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...