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.

Throughout her life, the Princess of Cyprus or the “Damsel of Cyprus” (born circa 1177) was used as a political and diplomatic tool in the conflicts of men. She was the daughter of Isaac Komnenos, the ...