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Early Primates
 Primates are remarkably recent animals. Most animal species flourished and became extinct long before the first monkeys and their prosimian ancestors evolved. While the Earth is about 4.54 billion years old and the first life dates to at least 3.5 billion years ago, the ...more.
Lucy's Baby
 The World's Oldest known child has been discovered in East Africa in an area known appropriately as the Cradle of Humanity. The 3.3-million-year-old fossilized toddler is remarkable for its age and completeness, even for a region spectacularly rich in fossils of our ancient ancestors, experts say. The new find may even ...more.
Recent Discoveries
Long before Humans and Neanderthals lived side by side in Europe, two other species of early humans were coexisting in Africa, a controversial new study claims. Researchers ...more.
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Introduction
Until a few decades ago, most of that evolutionary history was hidden from science's view. But these days hardly a month goes by without news of a significant discovery. The Human Species shares a common genetic code with all other life on this planet, and many of our basic traits are a heritage from the long evolutionary history that took place before the human lineage branched off from the apes around 6 million years ago. Yet we also have our own set of uniquely human adaptations.
Why Do We Walk Upright?
Bipedalism was the first great transformation of our ancestors, coming long before the evolution of all the other things that make us uniquely human. The answer to the question of how our ancestors evolved into bipeds seemed pretty clear for decades. But in recent years new evidence has thrown that scenario into doubt. The best clues to our upright origins may come from living apes, although no one knows for sure how much chimpanzees have evolved from the last common ancestor they shared with us. Some primatologists are conducting lab studies of how modern apes knuckle-walk and clamber through trees to see which movements ..more.
Laetoli Trackways
 A cast of the 3.5 million-year-old footprints that Dr. Leakey discovered.
When Did We First Use Tools?
The Dawn of Tool use was a Crucial Turning Point in Human History: It let our ancestors take control of their lives by finding food in places that were off-limits to their ancestors. The most reliable record of our technological history comes from the tools themselves. The oldest known hominid tools date back 2.5 million years, to a collection of chipped rocks in Ethiopia. They don't look like much, but with them hominids could butcher an elephant or crack open...more.
How Did We Populate The Globe?
Where did we come from, and how did we get here? Most scientists agree on the most basic answers to these questions, suggesting modern humans first evolved in Africa, probably around 150,000 years ago, and later colonized the globe. But precisely when this migration started and the route it followed has been hotly debated. One theory holds that a wave of migration from Africa began about 50,000 years ago...more.
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Early Humans
 The Nariokotome Boy's Skeleton has been called the fossil find of the century. Because it was so complete, it revealed a great deal not only about the anatomy of his species, Homo erectus (sometimes called Homo ergaster), but also clues about their life history...more.
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