At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

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The human species is the ultimate apex predator. We have only existed for 0.007% of Earth's history, yet we have managed to single-handedly transform the face of the planet, paving over its fields, ...

Have you ever found yourself in a museum's gallery of human origins, staring at a glass case full of rocks labeled "stone tools," muttering under your breath, "How do they know it's not just any old ...

The curious minds at What If explore what would happen if dinosaurs never went extinct and changed human evolution, imagining ...