Sweden invented ‘flight shaming’. Now it is begging airlines to return Mexicans protest Americans moving into their ...

Watch as mysterious ‘interstellar’ object passes through the solar system Six Flags may close nearly 50-year-old California ...

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...