Earth's mass extinctions have come for the dinosaurs and a whopping 95 percent of ocean species. Mammals, like us, may be next — eventually. In intriguing new research published in the science journal ...

Mammals are halfway through their era on this planet. We’ve existed about 250 million years since mammals evolved on earth and we only have another 250 million left before most of the world is no ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over the past 2 billion years, Earth's continents have collided ...