Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

breaks (or "unconformities") when no sediment was being deposited, and a much faster tempo of evolution," he said in a ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

Growing up in Long Beach, California, his parents adhered to a creationist view of the universe. But young Koerner caught ...

The Snowball Earth hypothesis has been largely based on evidence from sedimentary rocks exposed in areas that once were along ...

Study “presents the first physical evidence that Snowball Earth reached the heart of continents at the equator” says lead ...

He was particularly interested in unconformities: the meeting of rocks from different geological periods, indicating a break in time. In 1788, the scientist John Playfair accompanied Hutton to one ...