A disintegrated comet has left behind a glowing dust cloud—here’s how to spot it before it vanishes from the northern sky.

When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the sun — and an ...

A comet (or asteroid) likely caused the Tunguska Event in 1908 in Russia, and a comet fragment likely triggered the rapid ...

Initial observations suggest the comet, called C/2025 F2 (SWAN), will continue getting brighter as it approaches the sun.

Comets, which are composed of ice, frozen gas, dust and rocky material, are believed to be relics of the early solar system.

May has a flower moon and the Eta Aquariids meteor shower in store. Here's everything you need to know about both ...

On today's MOSI Monday, we're making a model of a comet! A comet is like a dirty snowball from space made of ice, dust, and rock. When it gets close to the Sun, the heat causes it to release gas ...

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 ...

(CNN) — When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the ...