The Omsk oil refinery, which in previous years produced about 15 percent of the jet fuel Russia needs, has halted operations, said Colonel Ants Kiviselg, head of the Estonian Defense Intelligence Cent...

Many European countries are welcoming American retirees, who are encouraged by affordable healthcare and in some cases, a lower cost of living. Here's what to know.

Experts say dementia risk is not just about personal choices, but also about the air we breathe and the environments we live in.

Marco Rubio arrived at the Munich security conference with a disturbing message for European governments: empire is great

The strategy follows increased ‘hybrid’ attacks on NATO countries.