There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

K’gari’s iconic lakes have existed for tens of thousands of years—but they haven’t always been full. New research shows that ...

Some civilizations in inland China underwent dramatic changes and population drops 3,000 years ago. Now, researchers are ...

Between 1347 and 1353, Europe was gripped by the most catastrophic pandemic in its history: the Black Death. Killing many millions, the plague wiped out between one-third and a half of Europe's ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.

New research shows that early land plants started influencing Earth’s climate hundreds of millions of years earlier than ...