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Scientists agree that Earth’s spin has slowed dramatically, but new research suggests the length of a day was much longer for much of Earth’s history
Scientists have discovered a secret tether that keeps planets from colliding into each-other, but that doesn't mean they won't crash into each-other at some point.
A new analysis of chaos in the solar system reveals how planetary collisions are avoided over billions of years.
A new theory explains why our planets avoid collisions for far longer times than standard theories of planetary stability predict.
The centuries-long search to understand our Solar System’s stability could now be over, or maybe not.