Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

At the heart of scientific questions about the origins of humanity lie questions of human nature. Are Homo sapiens intrinsically lovers or fighters, predators or prey, lucky survivors or inevitable ...

What took so long for humans to appear on Earth? The Earth is 4.6 billion years old, and life began about 4 billion years ago, yet humans—the only intelligent, technological species we know of in the ...