David Pearce was convicted Feb. 4 on two murder counts in 2021 deaths of of model Christy Giles and friend Hilda ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...
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