Prime Minister Mark Carney says he expects a constructive exchange as Canada, the U.S. and Mexico discuss CUSMA ahead of ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

If someone told you there’s a place in Wisconsin where the landscape looks like it was borrowed from another planet, you’d ...

The president urges the Senate to confirm his nominee to lead the enforcement arm of his immigration policy ‘IMMEDIATELY’ ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

A new Mississippi law authorizes the state's top law enforcement agency to compile a list of immigrants illegally living in ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

We leave Sugar gazing up at the stars whence he came, his car rolling along as Nat “King” Cole sings “Stardust” — a dreamy ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Scotland's World Cup match against Brazil was expected to attract plenty of attention -- but an anticipated alien invasion was not on the list.