The newly discovered object dubbed the Great Comet of 2026 may become visible to the naked eye during its close solar pass in April.

Only three confirmed interstellar objects have ever been identified passing through the solar system, which helps explain why ...

The interstellar comet was 1.4 astronomical units away, or roughly 3I/ATLAS provided a touch that the orbit models could no longer ignore there was more to orbit models than just gravity. The third ...

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A rare interstellar comet reaches its closest point to the sun on Wednesday and Thursday — and it's exciting astronomers around the world. Comet 3I/ATLAS is just the third confirmed interstellar ...

Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

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