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 ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

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 ...

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

WASHINGTON (AP) — 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 ...

SpaceX sent to space a test version of a spacecraft called Starfall during a sunrise launch on the Space Coast on Tuesday.’ ...

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

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

The first trailer for Not Alone, Illumination‘s next film starring Timothée Chalamet and Selena Gomez, has been released. The ...