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.

winter-solstice-annual-letter

See December 2023 Annual Letter

 

|  READ THE LETTER  |
Chaco-Article

Read the article from May 2023, Santa Fe Magazine, “Inscrutable Chaco”

 

|  LINK TO ARTICLE  |
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Update on the Chaco Solstice Project

 

Presented by Anna Sofaer and Rich Friedman to the San Juan Basin Archaeological Society last month, on YouTube. (Note: A few portions of the recording are hard to hear due to poor audio quality.) 

winter-solstice-annual-letter

See December 2022 Annual Letter

 

|  READ THE LETTER  |

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

 

|  WATCH NOW  |
|  READ MORE |

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

Chaco Astronomy

Book by Anna Sofaer of Solstice Project research

|  READ  |
|  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

|  FIND OUT MORE |
|  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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