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

Avi Loeb is leading a new Science Advisory Council tasked with finding the origin of unidentified objects spotted by military pilots and others. It's part of a broader White House effort studying ...

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

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

First, there was the release of the so-called UFO files by the Trump administration in May, which sparked a wide range of reactions from religious Americans. Then there was a new blockbuster summer ...

A sailing ship is drifting pilotless across the Atlantic. The cargo is on board, the cabins have been tidied up, but there is no trace of the captain, family or crew. The case of the "Mary Celeste" ...

Ordinary people can only guess at the goings-on at the meetings of the secretive Bilderberg Group, which is bringing together the world's financial and political elite this week. Conspiracy theories ...