Our solar system's famous "invader" might be as old as the Milky Way itself.

You've got time to wave goodbye to our interstellar visitor.

New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.

Interstellar comet 3I/ATLAS stole our hearts in 2025. Discovered on July 1, and only the third known interstellar visitor, it ...

I/ATLAS may be more than the strangest space object astronomers have observed within our solar system—it could also be one of ...

Blasting Most Of Its Water Directly Toward The Sun Juice's SWI instrument revealed that most water vapor was released from ...

The European Space Agency (ESA) has released a video of interstellar comet 3I/ATLAS, constructed from images taken by a probe ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

For a technological object, such a beam could deflect the solar wind, and the dust veil is also just sufficient to block ...

The interstellar comet 3I/ATLAS, recently discovered in our solar system, could be nearly 12 billion years old. Its ...