The split between South America and Africa 135 million years ago was a fiery affair, new research finds. The continental breakup spewed over 3.8 million cubic miles (16 million cubic kilometers) of ...

Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the ...

Analysis - Debating Ideas reflects the values and editorial ethos of the African Arguments book series, publishing engaged, ...

We know more about the Moon’s surface than Earth’s ocean floor — but that’s changing fast. A NASA-supported team used a ...

The Chickamauga & Chattanooga National Military Park is the oldest and largest of America's Civil War parks, encompassing land both north and south of the Tennessee-Georgia border, with more than 600 ...