Once you remember that the sun also orbits the solar system's common center of mass, it all makes sense. Our sun is wobbling, ...

Sauk Prairie will get a glimpse of one of the two eclipses that will occur over the next thirty days. The total solar eclipse ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a new comet ...

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper ...

The Moon, Venus, and Saturn are expected to briefly align into a rare formation resembling a “smiley face” this week, Nasa ...

Sorry to burst your astronomical bubble, but the claim that you'll see a full on smiley face in the sky is a tad exaggerated.

The rare triple conjunction will see the crescent Moon meet Venus and Saturn in the night sky in a triangular formation, ...

Stargazers will be treated to a rare sight this week as Venus, Saturn and the Moon align to create a “smiley face” formation in the night sky. This rare alignment will be visible for about an hour at ...

Meteor showers can be spectacular, but predicting when and where they’ll appear in the night sky has often been a challenge.