Earth has reportedly gained a second moon, a small near-Earth object designated 2025 PN7, which is now classified as a ...

Earth’s orbit is getting crowded, and scientists are warning that space may soon become too risky to manage safely. A new ...

This comet is best seen through a telescope or binoculars, but it may be visible to the unaided eye for the next two weeks!

The annual event known as the Orionids meteor shower lights up the sky every fall, and you can see it during its peak, in a ...

The comet-like object Chiron has been caught in the process of forming new rings, which could help us understand how these ...

White dwarfs—the dense, fading cores left behind after stars like our sun die—are usually calm, cool, and ancient. Over ...

Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know ...