Comets & Meteors

When is the next meteor shower?

When Is the Next Leonid Meteor Storm?

A very good year for bright, frequent meteors thanks to an early‑setting crescent Moon

Don’t miss the Geminids—December’s top meteor shower with up to 75 shooting stars an hour!

A Few Steps to Discovering a Space Rock!

Why It's Not Worth the Worrying

Learn About the Comet Behind Those Pretty Perseids

What is a Meteor, Exactly?

The quest for comets and why great comets are so rare

Learn how comets--the "dirty snowballs" of space--are formed. And if comets could support life!