01:04 Study: 'Extraterrestrial' asteroid impact caused ice age and wildfires 13K years ago October 28, 2019
00:47 Fossils of 'Squawkzilla,' 19 million-year-old cannibal parrot, found in New Zealand August 7, 2019
00:49 College student finds 65-million-year-old fossil of Triceratops skull in North Dakota badlands July 26, 2019
01:36 Inside the Smithsonian National Museum of Natural History's newly renovated dinosaur hall June 7, 2019