Science ❯ Space Exploration

Comets

Halley's Comet Cometary Behavior 55P/Tempel-Tuttle Comet Thatcher 21P/Giacobini-Zinner 3I/ATLAS Debris Comet Swift-Tuttle Comet Encke

Orionid Meteor Shower Begins, With Peak Oct. 21–22 Under Moonless Skies

The fast streaks come from Halley’s debris, offering one of October’s most reliable shows.