Dinosaurs Walked Through Denali: Footprints Found in Alaska
01:04
A "world-class" dinosaur track site discovered in Alaska's Denali National Park shows that herds of duck-billed dinosaurs thrived under the midnight sun. Produced by weather.com.July 11, 2014
UP NEXT
Strand of Beethoven’s hair offers clues into the composer’s death
01:39
James Webb Space Telescope images shatter understanding of age of the universe
07:42
Paleontologists unearth seven million-year-old sperm whale skull in Peru
00:42
Scientists use new A.I. tech to fight diseases
04:32
Congressional Space Medal of Honor recipients Bob Behnken and Doug Hurley: extended interview (Part 1)