On Earth, you can look up at night and see the moon shining bright from hundreds of thousands of miles away. But if you went to Venus, that wouldn't be the case. Not every planet has a moon – so why ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

Did you experience the total solar ... there will still be plenty of excitement for skywatchers, with two total lunar eclipses — commonly called “Blood Moons” — and two dramatic partial ...

A recent study by researchers from the University of Göttingen and the Max Planck Institute for Solar System Research has ...

Our moon goes through phases, sometimes turning red or disappearing into shadows. Here's what you need to know about the full moon.

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

While new moons ... Earth. Most months have one full moon and one new moon because the lunar calendar largely lines up with a calendar year. But just as it's possible for there to be two new ...