Russia continues strikes on Ukraine's energy infrastructure as Zelenskyy confirms U.S.-mediated peace negotiations are underway with a summer deadline.

The treaty between the U.S. and Russia limiting their deployment of strategic nuclear weapons has expired, leaving plenty of questions about what U.S. President Donald Trump and Russian President Vladimir Putin intend to do next.

Without the New START treaty, which caps the number of deployed nuclear warheads at 1,550 on each side, there will be no limits on the U.S. and Russian arsenals.

Two suspects will allegedly be interrogated in the attempted assassination of Russian intelligence deputy chief Lt. Gen. Vladimir Alekseyev in Moscow.

Russia officially is banned from the 2026 Winter Olympics, but 13 athletes have qualified to compete as "neutral'' athletes. Here's how that works.

Russian authorities say they have arrested two suspects linked to an assassination attempt on Lieutenant General Vladimir Alekseev, Russia’s first deputy chief of the Main Intelligence Directorate (GRU).

High-profile Russian general linked to Salisbury poisoning shot and wounded in shooting