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 ...

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 ...

Fossils are invaluable archives of the past. They preserve details about living things from a few thousand to hundreds of millions of years ago. Studying fossils can help us understand the evolution ...

Fossils discovered at Jebel Irhoud in Morocco represent the oldest known remains of Homo sapiens, dating back around 300,000 ...

Every once in a great while paleontological fieldwork turns up a fossil so extraordinary that it revolutionizes our understanding of the origin and evolution of an entire branch of the tree of life.