NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

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

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.