For a very long time it was believed that the oldest evidence of humans in North America came from the Clovis Culture who ...

A hot blob currently beneath the Appalachians may have peeled off from Greenland around 80 million years ago and moved to ...

A large region of unusually hot rock deep beneath the Appalachian Mountains in the United States could be linked to Greenland ...

A bold new theory reimagines the NAA as a "Rayleigh–Taylor instability"—a geological term for when heavy, cold rock begins to ...