Seismic pressure is building along the Tintina fault line, stretching from Canada's Yukon Territory to Alaska.

A fault line on the Canadian border, thought to be dormant for tens of millions of years, could cause a major earthquake, a new study has revealed. The Tintina fault stretches about 600 miles from ...

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

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