The great planetary instability, which saw Jupiter and the other gas giants wander chaotically through the solar system, coincides with the collision that formed Earth's moon. Could the two events be ...
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 ...
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