Comets & Meteors

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

When is the next meteor shower?

Why It's Not Worth the Worrying

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

When Is the Next Leonid Meteor Storm?

A Few Steps to Discovering a Space Rock!

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!