This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

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

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

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A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers.

A NASA-funded telescope in Chile identified a comet from interstellar space on July 1, marking a significant astronomical ...

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...