A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did ...

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

In 1986, Kihachiro Aratake was diving off the coast of Yonaguni when he spotted a giant structure 25 meters below the surface ...

Old crystals found in Western Australia are drawing fresh attention from geologists studying the formation of Earth. These minerals, called zircons, have been dated to be older than four billion years ...

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks ...

Between 720 million and 635 million years ago, Earth may have experienced one of ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

The X-Men are the most important group in mutant history, and some of teh oldest mutants on Earth have molded the team.

In a groundbreaking discovery, scientists from Utrecht University have uncovered the remnants of a long-lost continent, Greater Adria, which has been buried beneath Southern Europe for around 140 ...

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