The sun's gravity will pull the moon farther away from Earth than it's been in over five years on Nov. 19, though it'll be impossible for you to witness the lunar milestone for yourself with the naked ...

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The Moon appears unchanging in the night sky, but its movement hides a slow transformation. For decades, scientists have observed that our satellite is gradually moving away from Earth, year after ...

The Earth-Moon-Sun system has traditionally provided the best laboratory for testing the strong equivalence principle. For a decade, the Apache Point Observatory Lunar Laser-ranging Operation (APOLLO) ...

Astrobotic, the company that makes the lander, published an update Friday saying the lander had traversed 238,000 miles, putting it as far from the Earth as our Moon. Peregrine’s post-launch ...