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

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks posed by UFOs ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to rule them out, according to a NASA‑linked study presented this month by ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

An interstellar comet known as 3I/ATLAS, which swept past the Sun in 2024, could be a 12‑billion‑year‑old relic from deep space and has even been described by a Harvard physicist as a possible alien ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...