Why does the same side of the Moon always face Earth? I know this is called tidal locking, but what is the underlying mechanism for this? Bill Carroll Chicago, Illinois When the Moon first formed, it ...

Add Yahoo as a preferred source to see more of our stories on Google. Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The moon is getting 1½ inches (3.8 centimeters) ...

During its initial molten phase, the Moon experienced tidal bulges on its near and far sides due to Earth's immense gravitational pull. The Moon's rotation initially carried these gravitationally ...