Europe would be "very vulnerable" without U.S. support, said Ed Arnold, a senior research fellow at Britain's Royal United ...

In the past, elections could reset our national security strategy, but they did not change our bedrock alliances or our ...

Alnur Mussayev, a former Soviet and Kazakh security official, claimed in a Facebook post that U.S. President Donald Trump was ...

Alnur Mussayev, a former Soviet and Kazakh security official, claimed in a Facebook post that U.S. President Donald Trump was ...

With Trump accusing Zelensky of “gambling with World War III” and demanding more gratitude for American support, all on ...

Questions about U.S. President Donald Trump's possibly shady relationship with Russia and the country's security services have long swirled, even culminating in a special counsel investigation during ...

A top House Republican leader is taking two hockey legends who represent America’s bygone might over Moscow to attend ...

HAL BRANDS is Henry A. Kissinger Distinguished Professor of Global Affairs at the Johns Hopkins School of Advanced ...

European leaders are grappling with the idea that the continent might not be able to depend on the United States for security under the leadership of President Donald Trump.

Constitutions define the legitimacy of a state. But they have long been at the mercy of international power politics.

The move follows Ukrainian President Volodymyr Zelenskyy's recent visit to the White House, where he had a hostile ...

With U.S. President Donald Trump turning his back on Ukraine, European leaders are stepping up to take the lead. They're even ...