Providing Support for pbs.org

Comets have fascinated, even terrified us for thousands of years. For scientists though, comets are a great opportunity. In 2013, a particularly massive chunk of ice and rock came our way, an object that could fascinate billions and create the space show of the century.

Visit Comet Encounter Website

Full Episodes | 1

See All

Clips | 1

See All
  • Follow a once-in-a-lifetime event — Comet ISON’s brush with the sun.

Previews | 1

See All

PBS KIDS

Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Downton Abbey Collection

Bring home the complete collection: DVDs, Blu-rays, books, gifts and more. Visit ShopPBS.

Donate

helps all of us explore new worlds and ideas. Give Now

Sponsored Links