North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, into the Earth's mantle below. This is the conclusion of researchers from ...

Arenal Volcano is an active volcano in Costa Rica, which is in the south part of North America. It is famous for an intense eruption period, which lasted from 1968 until 2010 - more than 40 years.

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: ...