New Evidence Ties Mass Extinction to Massive Collision
New evidence discovered in sediment from China and Japan is offering scientists clues to a massive extinction event that preceded the age of dinosaurs and led to the loss of more than 90 percent of Earth's species. Read about this evidence in this National Geographic News article.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, Kindergarten
Astronomy, Earth Science, Natural History, Paleontology
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General public, Students
National Geographic Society