The Oct. 7 attack and Israeli response has increased the threat of international attacks. The United States needs to consider how it will respond.

Al-Qaeda and the Islamic State have their disagreements with Hamas, but have capitalized on the Oct. 7 attack to inspire extremists to commit attacks.

Putin is trying to exploit a gray area between withdrawal and noncompliance.

The increasing frequency of counterproliferation attacks demonstrates the importance of bolstering international nonproliferation efforts.

A pair of recent cyberattacks demonstrate how adversaries are changing their strategies.

The Political Declaration on the Responsible Military Use of Artificial Intelligence and Autonomy is a crucial step for developing international standards.

The U.S. position in the global value chain puts it at a disadvantage, and Washington's confrontational policies are making things worse.

The United States can build better infrastructure for its important humanitarian assistance missions.

Lessons from a recent wargame for managing a crisis over Taiwan.

The Tehrik-e-Taliban Pakistan is attacking from its safe haven in Taliban-controlled Afghanistan.

Some of the organization's sources of funding will be easier to target than others.

People act on their expectations about the future and beliefs about their ability to change outcomes. Policies directed at altering these expectations and beliefs can have stabilizing effects.