Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season ...

Workers at Dinosaur National Monument uncovered a long-necked dinosaur fossil during asphalt removal.

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have ...

A crew performing construction work at the Dinosaur National Monument recently got an unexpected glimpse into prehistory – ...

Iron-rich rocks at McGraths Flat preserve Miocene rainforest life in remarkable detail, reshaping ideas about how and where exceptional fossils form. Beneath agricultural land in the central ...

Routine parking lot construction at Colorado’s Dinosaur National Monument unearthed new fossils last fall, the first ...

As fossil fuel-based carbon dioxide emissions continue to rise to record levels, a new analysis shows that a majority of these emissions can be traced back to a shrinking number of large corporate ...

The display includes a lab in which visitors can interact with researchers.

The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.

This marks the first fossil excavations near the Quarry Exhibit Hall since 1924.

Earth's first large land organisms—tree trunk-like beings that stood up to 26 feet tall—weren't early fungi but, rather, ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in Africa’s fossil record of human origins.