Russia’s moves to mobilize thousands more troops and to annex more of Ukraine’s territory signal a new, potentially more dangerous phase of the war.

Germany, once dangerously dependent on Russian energy, has defied Russian expectations in its reaction to war in Ukraine.

A pending U.S. withdrawal from the Treaty on Open Skies has alarmed some allies in Europe, who fear losing a valuable means of monitoring Russia.

As Putin tries to manage Russia’s coronavirus outbreak, the national security bureaucracy faces challenges and opportunities of its own.

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.