When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

如果你现在放眼欧洲西部，就会发现很难找到能够避开高温的地区。 European farmers are still counting the cost of last year's drought, which saw plummetin ...

A U.S. pastor claims he was taken to a secret UFO disclosure gathering in Tennessee ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Ad Astra ending explained with Roy’s final choice, Clifford’s fate, the Lima Project, the Surge, and what the movie’s ending ...

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

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this week, with astrophysicists in the UK and Australia stressing that while ...

A newly released Apollo 16-era NASA audio recording in Pentagon UFO files has reignited Moon conspiracy theories after a participant casually mentioned a possible “alien star base” on the lunar far ...

With the next tranche of declassified files from the Pentagon expected any day now, dive deeper into the UFO phenomenon with these 15 books covering its history, impact and possible explanations.

The White House says that since then, there has been little evidence Canada has stepped up enforcement. The office of the United States Trade Representative accused Canada and a host of other ...