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.

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

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough weirdness to ignite a familiar debate: is it natural or could it be ...

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 ...