Fox News senior strategic analyst Gen. Jack Keane (ret.) discusses Russia's reaction to the U.S. giving Ukraine long-range ...

President Joe Biden has authorized Ukraine to use U.S.-supplied long-range missiles to strike deeper inside Russia.

There are worries that incoming US president Donald Trump could cut off aid to Ukraine and freeze the frontlines in Russia’s ...

Under sunshine and clear blue skies against a picture-perfect backdrop of Rio’s iconic Sugarloaf Mountain, the Group of 20 ...

The decision by Biden to approve the use of long-range missiles inside Russia could mark a turning point in the conflict ...

Brazil is hosting the Group of 20 summit and it appears unlikely the industrialized and emerging-market nations in attendance will sign a meaningful declaration regarding geopolitics.

President Vladimir Putin on Tuesday formally lowered the threshold for Russia’s use of its nuclear weapons, a move that ...

Russian President Vladimir Putin has signed a revised nuclear doctrine declaring that a conventional attack on Russia by any ...

The nuclear doctrine states that final authority to use nuclear weapons rests with the President, and the changes are ...

After skipping the G20 Summit in Brazil, Russian President Vladimir Putin is all set to visit India soon to meet Prime ...