How did the Moon form? Was it from a collision, as has been the longstanding theory, or could it have been captured by the Earth early in our planet’s formation? This is what a recent study published ...

Although the moon has lately been giving up many of its ancient secrets to prying spacecraft, it has clung stubbornly to one—the genesis of its own existence as an earth satellite. With monotonous ...

Our moon has been our constant companion for billions of years. But we're still not sure how it came to be, though scientists have a few theories. The most outlandish theory, in which an alien planet ...