It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.

NASA has confirmed the discovery of a new interstellar comet, 3I/ATLAS, speeding through our solar system. Spotted by a ...

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...