As Tilsworth tells it, her dad and mom, Ruth, saw a National Geographic television program about a frozen mastodon that was unearthed in Russia while they were vacationing in Hawaii.

"Mastodon teeth are pretty readily identifiable ... That won't happen until the summer of 2025, after the ground now frozen by winter thaws out again. Mike Randall covers breaking news for ...

MOLINE, Ill. — The Quad Cities Archaeological Society is hosting a presentation on Tuesday, Jan. 28 on the excavation of a 13,600-year-old Mastodon, one of the most significant prehistoric ...