Life on Earth began in one of the most mysterious processes in science, occurring roughly 4.5 billion years ago when the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The story of how us humans—and other mammals—got our noses may have ...

Malaria may have shaped early human life across Africa far earlier than once thought, steering where people could safely live and when groups stayed apart. By tracing ancient mosquito habitats, ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

The moment a creature dies, its DNA begins to break down. Half of it degrades every 521 years on average. By about 6.8 million years, even under ideal preservation conditions in cold, stable ...

As our species (Homo sapiens) evolved and spread across the globe, they were contemporary with several other hominins. These ...

At the end of 1924, an anthropologist began chipping away rock around an old primate skull — and rewrote the story of human evolution. The diminutive skull — about the size of a coffee mug — clearly ...

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Throughout most of human history, evolution progressed slowly. Small genetic changes took thousands of years to permeate populations. Natural selection was intentional, reactive, and gradual. However, ...

Inside a specially constructed safe at the National Museum of Ethiopia in Addis Ababa sit the fragile remains of the world’s most celebrated human ancestor. She was once a hardy survivor in an ...