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

At the time of the observations, comet 3I/ATLAS had just passed its perihelion, its closest ever approach to the Sun. While ...

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

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

In the vast expanse of the cosmos, where time stretches across unimaginable scales, some objects stand out as cosmic time ...

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

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

They’ve got their 3Is on the prize. The highly anticipated data 3I/ATLAS’ Earth tour last month is in. A targeted scan of 3I/ATLAS for signs of radio transmitting tech has come up empty — but Harvard ...

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

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The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the third interstellar object (ISO) ever detected, the wealth of information ...

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.