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 ...

An international research team co-led by the University of Oulu has successfully dated key fossil sites in Central Anatolia, Türkiye, to between 7 and 10 million years ago using a new Argon-Argon ...

Radioactive minerals in eggshells can help scientists pinpoint a fossil’s age with stunning accuracy. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic ...

Dinosaur eggshells, once treated as background scenery in fossil digs, have turned out to be some of the most precise ...