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

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’ ...

Harvard astronomer Avi Loeb, a figure long synonymous with controversial extraterrestrial theories, has been appointed by the ...

Dr. Steven Greer said he’s seen this picture before.

Advocates celebrated gains in the disclosure movement but said additional work remains to be done to get to the bottom of ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...