Ancient horsetail plants, surviving for 400 million years, are revealing Earth's climate history. Their unique water ...

Deep beneath Earth’s surface, researchers have discovered an ancient seafloor buried for millions of years. This unexpected find, detected through seismic waves, offers new insight into Earth’s ...

Tiny creatures that lived in the dark—either underground or below the sea floor—were the dominant life forms on Earth for much of the planet's history, a study suggests.

Ancient Homo sapiens may have benefited from sunscreen, tailored clothes and the use of caves during the shifting of the magnetic North Pole over Europe about 41,000 years ago, new University of ...

The Prehistoric Earth exhibit at the Santa Maria Valley Discovery Museum is near its completion. Soon a third and final big piece hanging above our displayed fossil wall will be featuring the large ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...