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

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

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.

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

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.

ESA's Juice mission captured incredible data from comet 3I/ATLAS as it passed near the Sun, revealing new clues about its ...

The European Space Agency (ESA) continues to deliver new insights into 3I/ATLAS, the interstellar comet that crossed the inner Solar System last year and is now past Jupiter. It was ESA’s ...

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 ...

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Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...