Look at this astonishingly well-preserved leg of a dinosaur likely killed by an asteroid

This incredible dinosaur leg fossil was found at North Dakota's Tanis site. The creature—and others at the site—were likely killed by the impact of the 12 kilometer-wide Chicxulub asteroid that crashed into the Gulf of Mexico 66 million years ago and eradicated 80% of Earth's animals. The scientific story of the fossil's discovery and what … Continue reading Look at this astonishingly well-preserved leg of a dinosaur likely killed by an asteroid