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

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

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

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

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

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?