Earth Tipped on Its Side During the Age of Dinosaurs—and Not Just Once

Earth is definitely not flat, but it’s not perfectly spherical, either. Due to its constant rotation, our Earth is closer to a squashed elliptoid. What this also means is that occasionally, the geographic locations of Earth’s north and south poles will wander across the planet’s surface as the solid Earth slowly rotates relative to its spin axis, so it appears as if the Earth tips over on its side. And this phenomenon may have had a greater impact on our…