Credit...Photo illustration by Tyler Comrie. (Georges Seurat, “A Sunday on La Grande Jatte — 1884,” via the Helen Birch Bartlett Memorial Collection/The Art ...
Everyone knows about the mass extinction that ended the Age of Dinosaurs. About 66 million years ago, a seven-mile-wide ...
Dinosaurs only started to live large after a mass extinction altered the planet in their favor. Lucas Atwell CC BY-SA 3.0 Everyone knows about the mass extinction that ended the Age of Dinosaurs.