A giant blob of abnormally hot rock beneath the Appalachian Mountains formed when Greenland separated from North America around 80 million years ago, new research suggests. Scientists previously ...

(CNN) — There’s a giant blob of incredibly hot rock beneath New Hampshire — and it may be part of the reason the Appalachian Mountains are still standing tall, according to new research. It has, ...

For university researchers, one of our country’s oldest geographical landmarks still provides insights into the past. In a study funded by the National Science Foundation that was conducted between ...

Instead, the new findings indicate that the hot blob, which sits 125 miles (200 kilometers) deep and stretches 220 miles (350 km) across New England, appeared around 80 million years ago, when what ...