A hot blob of rock beneath New Hampshire may be helping the Appalachian Mountains stand so tall. The rock mass is slowly on ...

Officially dubbed the Northern Appalachian Anomaly (NAA), this subterranean slimeball sits 125 feet deep underground and ...

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

"Heat at the base of a continent can weaken and remove part of its dense root, making the continent lighter and more buoyant, ...

The Appalachian Mountains, with their ancient peaks and timeworn ridges, are a familiar sight in Eastern North America. But ...

Technically known as the Northern Appalachian Anomaly (NAA), the 350-kilometer- (217-mile-) wide blob of hot rock hasn't been ...

Scientists reveal a superhot geological 'blob' moving toward New York City, impacting the Appalachian Mountains' elevation.

The ‘hot blob’ is officially called Northern Appalachian Anomaly (NAA), and lies 125 feet deep underground and extends 220 ...

A massive, heated rock formation, dubbed the 'hot blob' or Northern Appalachian Anomaly (NAA), is situated 200 km beneath the ...

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

More than a decade since the start of the longest ocean warming event ever recorded, scientists are still working to ...