Over 300 million years ago, all the continents we know today were joined together in a massive supercontinent called Pangaea.

Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

"The expanding-Earth theory had the merit of explaining with a fixist model the evidence of ancient continental connections," ...

Five years. 180 expeditions. One supercontinent. NBC’s The Americas takes viewers on an epic journey from pole to pole, ...

The Pacific Ocean is by far the world's largest ocean, more than five times wider than our moon. But why is the Pacific so ...

This article explores ten extinct plant species, from the ancient Araucarioxylon arizonicum to the more recent Sophora ...

Discover the migration routes of ancient reptiles and how they thrived in a nearly lifeless environment after the mass ...

A fossilized colony of small burrowing reptiles that lived some 250 million years ago was recently found in South Africa.

First evidence of communal burrowing in Procolophon trigonicepsFossils show adults and juveniles lived and died together in ...

The increase and decrease in levels of the magnetic field and oxygen were parallel across ages, which might help narrow down ...

Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.