The Moon is gradually drifting away from Earth at a rate you could measure with a ruler if you waited […] ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

What’s different about this 10-day test flight is not only that it returns astronauts to the vicinity of the moon for the ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in Arizona.

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

Here's what to know about the Saturn and moon conjunction and how to view the celestial event.

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

The other two known interstellar comets did not offer such an opportunity.

Arizona is home to 22 dark sky locations that may offer the clearest views of planetary conjunction between Saturn and the ...