The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

The lunar heart, created by the interplay of light and shadow, is visible once a month, just before our satellite reaches ...

A recent trip to the arctic circle in Sweden to view and photograph the aurora by Middle Tennessee State University professor ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a matter of minutes, ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...

This is the last chance to catch the pair in conjunction this year—with Venus set to be unusually bright in the night sky.

(CNN) — A small space rock that lingered near Earth last year and was referred to as its temporary “mini-moon” may actually be a chunk of the moon that chipped off thousands of years ago.

Curtiss caught a glimpse of Robert McMath's moon movies, he was in awe. Astronomical motion pictures, Curtiss believed, could quite literally change how scientists and astronomy students looked at ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly ...