An explorer in 1909 claimed he found an ancient underground city inside the Grand Canyon—filled with rooms, hieroglyphs, and ...

Potential extreme weather conditions could pose a danger to users of Township roads, sidewalks, and bike lanes ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

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

This week the eyes and telescopes of the world will be watching to learn everything we can,' says an astronomer.

The director responds to the “speculation” about the presence of aliens on the comet and sets a date for the day of closest ...