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

The scientific search for extraterrestrial life is almost entirely focused on biosignatures, radio signals, and microbial ...

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

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...

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