There is only one way to experience lunar gravity while still on Earth, or rather a few thousand feet above its surface: on a ...

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 ...

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 ...

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 CarrollChicago, Illinois When the Moon first formed, it ...

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) ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

In 1968, just a year before the historic Apollo 11 Moon landing, NASA scientists discovered something that could have sent astronauts Neil Armstrong, Buzz Aldrin and Michael Collins plunging to their ...

After launching a pair of satellites last year that failed to reach the right orbit around the moon, China's Technology and Engineering Center for Space Utilization (CSU) came up with a novel tactic — ...

Scientists have discovered trace gases from Earth reaching the Moon, revealing unexpected interplanetary connections and ...

Time moves differently on Mars. NIST physicts recently calculated exactly how fast each second passes on Mars. And if humans want to explore the solar system, every microsecond counts.