New fossils uncovered at Dinosaur National Monument, leading to first excavation there in a century

Updated on: January 16, 2026 / 10:20 AM EST / CBS News

New fossils uncovered at Dinosaur National Monument, leading to first excavation there in a century

TL;DR

  • Dinosaur fossils were discovered at Dinosaur National Monument during parking lot construction.
  • This is the first excavation at the site in more than 100 years.
  • The fossils are believed to belong to a large, long-necked dinosaur, possibly a Diplodocus.
  • Around 3,000 pounds of fossils and rock were excavated between September and October.
  • The fossils are currently being cleaned and studied at the Utah Field House of Natural History State Park Museum.
  • The last excavation at the bonebed area concluded in 1924.
  • Recent research suggests dinosaur populations were thriving before the asteroid impact 66 million years ago.
  • A separate nearly 70-million-year-old dinosaur fossil was found in Denver in January 2025.