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 ...

The White House has appointed Harvard astronomer Avi Loeb to lead a new scientific advisory team investigating unidentified ...

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.

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

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 ...

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

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Brian Johnson, who has died aged 86, was an Oscar-winning visual effects maestro and modelling specialist who contributed ...