Why does the same side of the Moon always face Earth? I know this is called tidal locking, but what is the underlying ...

WASHINGTON (Reuters) -An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why the two sides of the moon - the one perpetually ...

King Tides, formally known as Perigean-Spring Tides, are exceptionally high tides. These usually occur about three times a ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

An object's weight on the Moon is approximately one-sixth its weight on Earth, illustrating the variation in gravitational force across celestial bodies. While an object's mass, measured in kilograms, ...

It is true that crewed missions to the moon are expensive, difficult, and dangerous. And we now have a long history going back decades of reliable, dependable, capable robotic exploration, including ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

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) ...

This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...