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

The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a distinguished director settled in near ...

Cambridge has been dubbed the UK’s “alien capital” after a new analysis of police UFO reports found it logged the most ...