Add Yahoo as a preferred source to see more of our stories on Google. A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

For the third time in history, NASA has observed an interstellar traveler passing through our solar system. Multiple US and international observatories captured Comet 3IATLAS since its July 1 ...

When the unusual object 3I/ATLAS first entered our cosmic neighbourhood in July 2025, it didn't just appear on telescopes — it sparked a wave of speculation that shows no sign of stopping. For a brief ...