The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the ...

The discovery of the Nazca Mummies in Peru has become one of the most controversial mysteries of the 21st century. Supporters ...

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Why are scientists taking unidentified aerial phenomena seriously? Because every answer matters for science, national security, and the people whose lives are changed by these experiences.

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Alan Turing, the father of theoretical computer science, made a proposal that has put AI development on a flawed path for ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...

Spoiler alert! We're discussing major details about "Disclosure Day" (in theaters now). Stop reading if you haven't seen the movie yet and don't want to know what happens. NEW YORK – Steven Spielberg ...

This is an edition of the Books Briefing, our editors’ weekly guide to the best in books. Sign up for it here. Oliva recommended six books in which the presence of aliens prompts readers to think more ...