This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

The amber, excavated from Pine Island Bay in the Amundsen Sea Embayment, provides a unique snapshot of life in prehistoric ...

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

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.