These radioactive elements decay at known rates, effectively acting as a built-in clock that reveals precisely when the eggs were buried millions of years ago. This natural timekeeping mechanism has ...

Researchers have found that fossilized dinosaur eggshells contain a natural clock that can reveal when dinosaurs lived. The ...

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

A remarkable fossil discovered in northern China suggests that multiple human species once shared the region around 150,000 ...

The most recent addition to the human family tree – named after its unusually fat head – roamed northern China at the same ...

A partial remodel of San Pedro High School turned up something remarkable: one of the most stunning fossil beds archeologists have discovered, bosting once-underwater fossils from species dating back ...

Year after year, students have walked the halls of San Pedro High School in Los Angeles. What seemed to be an ordinary renovation turned out to be an extraordinary discovery when a trove of ancient ...

Metabolism quietly governs every living body. It shapes how organisms grow, reproduce, heal, and age. Because metabolism ...

A newly reconstructed fossil face from Ethiopia reveals surprising complexity in early human evolution. By digitally fitting together teeth and fossilized bone fragments, researchers reconstructed a ...