Russia says the use of US long-range missiles by Ukraine will lead to "an appropriate and tangible" response. Such an attack ...

Vladimir Putin has cut off exports of Russian uranium to the United States, exploiting a dangerous dependence cemented by ...

The military intelligence agencies of Ukraine and many NATO nations produce their own estimates of Russian casualties. They ...

Changes to Russia's nuclear doctrine have been drawn up and will be formalised as necessary, the Kremlin said on Tuesday, ...

Chinese and Russian foreign ministers discussed bilateral ties, the conflict in Ukraine and the situation on the Korean ...

The president-elect's pick to be the director of national intelligence has raised alarms among national security officials.

The mummy is the first evidence from Asia of the saber-toothed cat species Homotherium latidens, Lopatin said, though ...

The U.S. will allow Ukraine to use American-supplied longer-range weapons to conduct strikes deeper inside Russian territory, a long-sought request by Kyiv.

The proposed resolution sought an immediate end to hostilities between Sudan's military and paramilitary factions.

The leader of the Moscow-backed breakaway Georgian region of Abkhazia resigned on Tuesday after a deal allowing for the expansion of Russian business in the republic led to mass protests and the ...

Russia vetoed a U.N. resolution Monday calling for an immediate cease-fire in the war between Sudan’s military and paramilitary forces and delivery of humanitarian aid ...

The Kremlin warns that Washington's decision to let Ukraine strike targets inside Russia with U.S.-supplied longer-range ...