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Why interstellar comet 3I/ATLAS' close Earth approach is an early Christmas gift for astronomers
Darryl Z. Seligman is an Assistant Professor of Physics and Astronomy at Michigan State University. Comet 3I/ATLAS is the third large interstellar visitor that we have ever discovered —- an asteroid ...
3I/ATLAS has already flown by Earth, but it seems like it might do what no one has predicted, come back. Since its discovery in July 2025, the interstellar object known as 3I/ATLAS has been the main ...
The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to know. Good morning, Space Fans! As of today, we are T-2 days until the ...
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