The earthquake was centered in Petrolia at a depth of 2.0 kilometers (about 1.2 miles). The USGS said it received one report ...

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...