Centuries ago, the Ancestral Puebloans left behind massive stone structures and no clear explanation for their departure.

Chimney Rock National Monument protects a small group of Ancestral Puebloan ruins located 20 miles southwest of Pagosa Springs. The area was used to stargaze centuries ago and is still used for the… ...

As land managers try to resurrect logging practices very similar to the methods used for centuries by Ancestral Pueblo people, the state could serve as a model for creating fire-safe communities ...

The restored 1,000-year-old kiva takes you into this underground ceremonial room central to Ancestral Puebloan community life ...

For the next six centuries, Ancestral Puebloan peoples built their communities in imitation of the ones at Chaco, celebrating its culture.

Ancestral Pueblo peoples used centuries-old ice preserved in lava caves to survive five major droughts in the past 2,000 years.

The spiral patterns that appear prominently in the rock carvings are thought to be a symbol among ancestral Pueblo peoples for the sky or the sun. (Image credit: Jagiellonian University) ...

The same starry constellations used by ancestral Pueblo people still captivate visitors today, even with the naked eye, but especially those with a knack for night vision.

On June 29, 1972, the U.S. Supreme Court ruled that capital punishment, as then administered by individual states, was ...

In this Aug. 27, 2005 file photo, visitors tour Cliff Palace, an ancient cliff dwelling in Mesa Verde National Park, Colo. Researchers say they have new evidence that ancestral Pueblo people who ...

The Pueblo people created rock carvings in the Mesa Verde region of the Southwest United States about 800 years ago to mark the position of the sun on the longest and shortest days of the year ...