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 ...

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

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

Solar prominences occur when the sun’s plasma, flowing along the magnetic field lines that the sun creates, forms a loop into space along the edge of the sun’s disk. When a prominence becomes ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

As with all solar eclipses, astronomers strongly remind people to never look at the Sun without proper eye protection.

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.