The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

The very first Halloween celebrations trace back to the ancient Celtic festival of Samhain, which later morphed into All ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

Far from boring, this period saw the reorganization of deep Earth in manners that prepared the way for life to grow complex.

Fungi’s evolutionary roots stretch far deeper than once believed — up to 1.4 billion years ago, long before plants or animals ...

Scientists have traced the origins of complex life to the breakup of the supercontinent Nuna 1.5 billion years ago. This ...

A chemical "anomaly" revealed through an analysis of meteorites may have led to finding the first existing evidence of "proto ...

A study led by researchers from the University of Sydney and the University of Adelaide has revealed how the breakup of an ...

For more than half a billion years, a giant magnetic anomaly buried in Earth’s ancient rocks has puzzled scientists. The ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

The term “ecosystem engineering” has been used for decades as a way to describe organisms that drastically alter their ...

When Earth’s ancient supercontinent Nuna broke apart, it reshaped oceans, cooled the climate, and set the stage for complex ...