President Putin’s sweeping moves to shift government power reinforce his own claim to leadership beyond 2024, but also set in motion competition for influence throughout Russia.

Half a century later, Egypt regards its brief war with Israel as an important military milestone that initially bolstered its leaders, though in recent years, Egypt has weakened under repressive, ine…

Warming relations between the two pariah states could foster a mutually beneficial weapons and technology trade and raise tensions on the Korean Peninsula.

The collapse of the Cold War–era nuclear arms treaty signals trouble for U.S.-Russia relations, European security, and nonproliferation efforts.

The first summit between Joe Biden and Vladimir Putin eased some of the tension in the fraught U.S.-Russia relationship. It also laid bare the difficult path ahead to resolving differences on many is…

The victory of pro-independence parties in Scotland’s elections means that another referendum is on the agenda. What’s at stake, and what comes next?