Are we in a sixth mass extinction?
Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living species. The age of dinosaurs, which had lasted 165 million years, ended…
Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living species. The age of dinosaurs, which had lasted 165 million years, ended…