Astronomers studying the interstellar object known as 3I/ATLAS say new observations from the Gemini North Telescope in Hawaii ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

He highlighted several other features he considers unlikely for a natural object, including the comet's trajectory . Loeb ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Astronomers are preparing for a rare observational opportunity as interstellar comet 3I/ATLAS approaches its closest point to ...

Green-glowing interstellar comet 3I/ATLAS, heading for its December 19 flyby, is spewing key organic 'ingredients for life' ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

A Harvard astronomer is making waves by suggesting that a massive interstellar object hurtling through our solar system might be an alien spacecraft. Professor Avi Loeb, who also serves as director of ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...