For decades, geologists labeled a billion-year stretch of Earth’s history—from 1.8 to 0.8 billion years ago—as the “Boring Billion.” They assumed not much occurred during the time: mountain building ...

Watch the Season 3 First Look Clip for Prehistoric Planet: Ice Age, a five-part natural history event series distributed by Apple TV and narrated by Tom Hiddleston. Don't miss a look at this new clip ...