Best Photos of the Day

Natalie Toth (L), chief fossil preparator at the Denver Museum of Nature and Science, works with volunteers, interns, and researchers to place a grid for mapping the site as they excavate dinosaur bones and fossils from The Blues below Powell Point during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

A plumb bob hangs next to a dinosaur bone as paleontologists with the Denver Museum of Nature and Science place a grid for mapping a site as they excavate dinosaur bones and fossils from The Blues below Powell Point during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

Volunteers and researchers with the Denver Museum of Nature and Science work to excavate dinosaur bones and fossils from a hillside in The Blues during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

J. Colter Johnson uses a brush to excavate a dinosaur bone believed to be a radius as volunteers and researchers with the Denver Museum of Nature and Science excavate dinosaur bones and fossils from The Blues during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

Makayla Hutchinson (L), fossil prep lab summer intern at the Denver Museum of Nature and Science, and Sadie Sherman (R) work to protect a dinosaur bone with gypsum wrap as they excavate dinosaur bones and fossils from The Blues during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

Makayla Hutchinson, fossil prep lab summer intern, uses an air scribe as she prepares dinosaur bones and fossils found at the Grand Staircase-Escalante National Monument, inside the paleontology laboratory at the Denver Museum of Nature and Science on July 1, 2021 near Denver, Colorado. Patrick T. FALLON / AFP.

Paleontologist Joseph Sertich (2nd L), curator of dinosaurs at the Denver Museum of Nature and Science, talks with paleontologist Alan Titus (L) of the US Bureau of Land Management on a hillside as volunteers and researchers prepare to excavate dinosaur bones and fossils from The Blues below Powell Point during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

Volunteers, interns, and researchers with the Denver Museum of Nature and Science place a grid for mapping the site as they excavate dinosaur bones and fossils from The Blues below Powell Point during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

Colorado State University student Taylor Muir uses a rock hammer as she works with volunteers and researchers from the Denver Museum of Nature and Science to excavate dinosaur bones and fossils from The Blues below Powell Point during an expedition at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.

A glue like substance is used to preserve an unearthed dinosaur bone as it is excavated by volunteers and researchers with the Denver Museum of Nature and Science during a expedition to excavate dinosaur bones and fossils from The Blues below Powell Point at the Grand Staircase-Escalante National Monument in Utah on July 21, 2021. Patrick T. FALLON / AFP.