Mastodon Tusk Marked by Human-Made Tools (Photos)
Get the world’s most fascinating discoveries delivered straight to your inbox.
You are now subscribed
Your newsletter sign-up was successful
Want to add more newsletters?
Delivered Daily
Daily Newsletter
Sign up for the latest discoveries, groundbreaking research and fascinating breakthroughs that impact you and the wider world direct to your inbox.
Once a week
Life's Little Mysteries
Feed your curiosity with an exclusive mystery every week, solved with science and delivered direct to your inbox before it's seen anywhere else.
Once a week
How It Works
Sign up to our free science & technology newsletter for your weekly fix of fascinating articles, quick quizzes, amazing images, and more
Delivered daily
Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!
Once a month
Watch This Space
Sign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books.
Once a week
Night Sky This Week
Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the universe with us!
Join the club
Get full access to premium articles, exclusive features and a growing list of member rewards.
Neil Puckett surfaces
Neil Puckett, a Ph.D. student from Texas A&M University involved in the excavations, surfaces with the limb bone of a juvenile mastodon.
Jessi Halligan during the dive
Jessi Halligan, Ph.D. Assistant Professor, Department of Anthropology, Florida State University. Halligan, a co-author of the study, was also the lead diver and excavation manager at the Page-Ladson site.
Examining a new find
Co-principal investigator Jessi Halligan examining a mastodon bone brought up from a dive by CSFA student Neil Puckett at the Page-Ladson site.
Biface close-up
A close-up photo of a biface — a type of prehistoric stone tool — as found in 14,550-year-old sediments at the Page-Ladson site.
How excavation worked
A schematic showing underwater excavation methodology at Page-Ladson, and the location of an artifact.
[Read more about the underwater excavation of these and other ancient artifacts.]
Get the world’s most fascinating discoveries delivered straight to your inbox.

