Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

A massive eruption of magma around 135 million years ago may have been the driving force behind the tectonic rift that split ...

When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a landscape with incredible geology. She hears a lot of the same suggestions: ...

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 ...