Luminescence dating pushes age of South Dakota's Mammoth Site back by more than 100,000 years

Scientists are building tunnels under South Dakota for a $3 billion experiment that could solve some of the universe's grandest mysteries

Paleontologists Discover New Species of Oviraptorosaur in South Dakota

NASA is looking for proposals from educational institutions and nonprofit organizations to fly CubeSats through its CSLI program. They're particularly interested in proposals from Delaware, Mississippi, Nevada, North Carolina, Oklahoma, South Carolina, South Dakota and Wyoming.