Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers ...

NASA confirms the existence of TOI‑1846 b, a nearby hot super-Earth that could contain water, initially observed by NASA's ...

Here's when to watch tonight's buck moon illusion rise in Capricorn and what it means as we near the Mercury Retrograde ...

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

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...