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

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

A new study looking at the isotopic ratios in interstellar comet 3I/ATLAS after its closest approach to our star has ...

Add Yahoo as a preferred source to see more of our stories on Google. Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

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

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

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

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh of relief. Echoing what NASA officials have long said, a team of ...

Pictures of 3I/ATLAS will soon be all we have to remind us of the strange interstellar comet and its brief visit to our cosmic neighborhood. Fortunately, thanks to the world's space agencies, we'll ...

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.