The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

The Wolf Moon is named for the hungry predators that sometimes can be heard howling in the winter month.

Artemis II is scheduled to take off next month as a test run, and I hope it renews American interest in space exploration. | ...

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is ...

Here's how the first crewed lunar flyby in 50 years builds on Artemis 1.

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the early Solar System.

America's next mission to the moon is happening in only a few weeks.

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.

Earlier research held that meteorite impacts from the solar system's early days were a major source of Earth's water.

A view of Antarctica & the moon can be seen in footage captured by the Meteosat-11 satellte. Credit: Simon Proud / NCEO and ...

There is a long and intriguing history behind the human obsession with the Moon, which is thousands of years old. Nevertheless, even though people obs.