Despite the turmoil in the federal government, the gates are scheduled to open before the sun rises for the spring equinox at Chaco Culture National Historical Park this year.

With all things being equal, including the amount of daylight and nighttime, this 2025 trip to New Mexico's Chaco Culture National Historical Park ushered in spring and taught what to do to make sure ...

many of the buildings follow an astrological alignment that would have required generations of celestial study. Chaco Canyon seems to have been at the center of this cosmology, an important ...

The discovery happened at the Gasco archaeological site just south of Chaco ... an intentional alignment with solar and lunar events. This implied a deeper knowledge of these astronomical events ...

Unique astronomical events occur ... the largest great kiva in Chaco Canyon. It is known for its solstice and equinox alignments. The park's annual sunrise programs have been going on there ...