Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

Though the trio fits well inside a one-degree circle in the sky, they're actually a good study in astronomical distance. The Moon is only 385,000 kilometers (1.3 light-seconds) away, while Venus is ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and ...

Scientists discovered new lunar landslides triggered by moonquakes, revealing risks that could affect future Moon bases and exploration.

Landing on the Moon is no simple task, as it demands a huge amount of precision. It’s no coincidence that many countries have tried and failed, with only five nations succeeding throughout history.

Calls for the US to land astronauts back on the moon before China have been increasingly loud and frequent. But it all hinges on Starship.

Wondering if it's a full moon tonight or if the planet Venus and Regulus star will be visible again today? Here's what to know about this weekend's celestial events. Tonight's waning crescent moon ...