History With Kayleigh Official on MSN

5 million years of human evolution explained step by step

Human evolution spans millions of years, from early primates to modern Homo sapiens. Fossil evidence, genetic data, and climate shifts help explain how different human species emerged, migrated, and ...
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 ...