The Solstice Project studies the rich astronomical heritage of the ancient Chaco culture in the American Southwest. Founded in 1978 by Anna Sofaer, our non-profit organization publishes research and produces award-winning films that document the Chaco culture’s scientific achievements.

See December 2021 Annual Letter

 

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Watch Anna Sofaer in “The Vast Expanse of Chaco Culture” on ¡COLORES! Jan 15th at 4pm MST

 

|  WATCH NOW  |
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Brian Vallo, Governor of Acoma Pueblo, took critical steps to protect Chaco Canyon.

Chaco Astronomy

Book by Anna Sofaer of Solstice Project research

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|  SEE MORE  |

The Mystery of Chaco Canyon

Award winning film by Anna Sofaer,
Narrated by Robert Redford

The LiDAR Project

Aerial Laser scanning reveals cosmographic Chaco roads

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|  LEARN MORE  |

The Sun Dagger Explorer Model

An interactive model at the New Mexico Museum of Natural History invites exploration of the site’s solar and lunar light effects

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