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 ...

Fossils are invaluable archives of the past. They preserve details about living things from a few thousand to hundreds of millions of years ago. Subscribe to our newsletter for the latest sci-tech ...

Despite considerable work in recent years, pinpointing the time when angiosperms originated has been challenging. However, the rapid development of molecular clock methodology has provided new tools ...