I love to go for a walk with my dog. Sometimes we see the moon in the sky–even though it’s daytime. I asked my friend Michael Allen why that happens. He’s an astronomer at Washington State University.

While human missions to the moon will be facing Earth, on the other side of the moon, completely hidden from view, there will be a plethora of robots silently peering out to the edge of the universe ...

In August, an amateur French astronomer, Adrien Coffinet, messaged an email list dedicated to asteroid and comet research with an announcement. He’d identified a new quasi-moon: “2025 PN7 seems to be ...

Discover 25 fascinating and unusual facts about the moon in our video, "25 Awesome Unusual Facts About the Moon." WATCH OUR ...

The craters bear the names of astronomers who revolutionized our understanding of the night sky.