In an Instagram post on Sunday, Obama said he had been trying to “stick with the spirit” of his interviewer, political commentator Brian Tyler Cohen, during a wide-ranging podcast released Saturday.

The latest hunt for alien signals in the TRAPPIST-1 planetary system has test-driven a new strategy that will allow astronomers to perform a more efficient, targeted search for technological ...

YouGov, a research and analytics firm, found last year that most Americans believe in aliens. Its poll results showed in ...

The Hubble Space Telescope set its sights on a total lunar eclipse, using the Moon as a mirror to study Earth. Here’s how it could help us find life on other worlds. The Hubble Space Telescope has ...