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 ...

Twins are pretty rare, accounting for just 3% of births in the U.S. these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm.