In the Sky

Orion’s Belt and the Celestial Bridge

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the Moon

Current Sun and Moon Data


% of full
Age: %
phases of the moon




What's Up for December 2018

This December brings the Geminids and a comet. The Geminid meteor shower peaks Dec. 13-14, with best viewing from dark sky locations after midnight local time. We wish a fond farewell to Jane Houston Jones, the voice of What's Up since 2007!

Weather Forecast

More Planning Tools

  • Andromeda galaxy

    ClearSky Chart

    Click your location on the map to check on viewing condition predictions in your area.

  • Andromeda galaxy

    Sky Maps

    Navigate the night sky. Download a sky map for the current month.

  • Andromeda galaxy

    Spot the Station

    Choose your state, then city to see when the International Space Station can be seen crossing the sky.

Bookmark this page as your one-stop planning resource for astronomy events. Note: By clicking any of these links, you will be leaving the NASA domain. These resources are provided strictly to help users, and not as a way to promote one site over another.