Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

Physicist Brian Cox has thanked YouTube for taking down accounts that used AI to create deepfakes of him saying “nonsense” ...

NASA’s James Webb Space Telescope has now captured the first direct look at material within a disk encircling a massive ...

3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy. By Kenneth Chang For only the third time, astronomers have found ...

Spurious reports claim that an alien spaceship might have entered our solar system - ‘Isn’t [the truth] wonderful enough?’ ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that outsiders regularly visit our solar system — and we're about to start spotting a whole lot more of ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...