Human Evolution

Investigating the Case of the Earliest Known Murder Victim

A 430,000-year-old skull discovered in a Spanish cave bears evidence of deliberate, lethal blunt force trauma

Unearthed at the Cova Negra site in Spain, skull fragments from a Neanderthal child have telltale punctures in the right parietal region.

Ancient Carnivores Had a Taste for Neanderthal Meat

Researchers link bite marks on a Neanderthal skull to the fangs of an ancient big cat

At 3.3 million years old, tools unearthed at the Lomekwi 3 excavation site in Kenya, like the one pictured above, represent the oldest known evidence of stone tools, researchers suggest.

The Oldest Stone Tools Yet Discovered Are Unearthed in Kenya

3.3 million-year-old artifacts predate the human genus

Here’s How Europeans Quickly Evolved Lighter Skin

Darker skinned people lived in Europe until fairly recently

A closeup of the Ledi jaw taken just steps from where it was found in the Afar region of Ethiopia.

Oldest Human Fossil Unearthed in Ethiopia

At about 2.8 million years old, the Ledi jaw may belong to "the stem for the Homo genus," according to its discoverers

Gene Changes Make Humans’ Sense of Taste Unique

Our ability to eat bitter plants help distinguish us from our ancestors and chimpanzees today

Early Homo sapiens, a skull of which is shown here, may have coexisted with the primitive human whose jawbone was recently discovered by a fisherman off the coast of Taiwan

Did Fishermen Find Evidence of an Unknown Group of Primitive Humans?

A fossilized jawbone pulled from the seafloor near Taiwan may be from an ancient type of hominin new to science

Ancient Dogs Likely Arrived in America Thousands of Years After Humans

New research on dog DNA shows that they migrated to the new world much later than initially thought

Ants Usually Turn Left While Exploring

It's a sinister version of human's tendency towards right-handedness

Researchers found that human joint-bone density remained pretty high until recently in our evolutionary history, around the same time that humans began switching from hunting and gathering to farming.

Switching to Farming Made Human Joint Bones Lighter

A more fragile skeleton evolved about 12,000 years ago, probably driven by a shift from hunting to agriculture

Scientists found deliberate scratching on a fossil Pseudodon, likely an engraving made by Homo erectus at Trinil in Indonesia.

Zigzags on a Shell From Java Are the Oldest Human Engravings

The early human <em>Homo erectus</em> also made the oldest known shell tools half a million years ago

Probably not a picky eater.

Why Are You a Picky Eater? Blame Genes, Brains and Breast Milk

The complicated science behind picky eating is giving experts plenty of food for thought

Archaeologists Ben Potter and Josh Reuther, both of the University of Alaska in Fairbanks, excavate the burial pit at the Upward Sun River site.

Ice Age Babies Surrounded by Weapon Parts Found in Alaska

Unearthed at an ancient hunting camp in Alaska, the infant remains are offering clues to the burial rites of early Americans

Bill Nye enthusiastically greets students and faculty at Cal State Fullerton in California earlier this year.

Bill Nye on the Risks of Not Debating With Creationists

Bill Nye the Science Guy has a book out on evolution. Here’s what he has to say

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Left-Handed People Have Less Specialized Brains

Diversity means flexibility, even if being left-handed can be super annoying

To be or not to be human? That's a question some scholars still feel is up for debate when it comes to Homo floresiensis.

Ten Years On, the Flores “Hobbit” Remains an Evolutionary Puzzle

Why was the 2004 unveiling of a small hominin dubbed <em>Homo floresiensis</em> such a big deal?

A fragmented painting of a pig-deer or babirusa (Babyrousa sp.) and hand stencil from one of the caves in Sulawesi, Indonesia.

Rock (Art) of Ages: Indonesian Cave Paintings Are 40,000 Years Old

Cave paintings of animals and hand stencils in Sulawesi, Indonesia, seem to be as old as similar cave art in Europe

Our fundamentally human social, ecological, and behavioral adaptations have, over time, ratcheted up our adaptability.

The Moral Dilemma We Face in the Age of Humans

Humans are proficient problem solvers—but so far that trait has come at a cost. Can our species remain resilient without destroying the world?

Ice Age humans left their footprints across what is now Willandra Lakes in southeastern Australia.

How Climate Change May Have Shaped Human Evolution

Evidence is building that past climate change may have forged some of the defining traits of humanity

A scanning electron micrograph image of red and white blood cells.

Scientists Have Basically No Idea How Many Cells Are in the Human Body

Is it 5 trillion or 500 trillion? Who knows.

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