"A protracted stalemate might be the only solution for Russia to avoid total economic collapse," one economist says.

A big, new package of U.S. military aid will help Ukraine avoid defeat in its war with Russia. Winning will still be a long slog. The arms and ammunition in the $61 billion military aid package should enable Ukraine to slow the Russian army’s bloody advances and block its strikes on troops and civilians.

Russia blocked a US-led UN resolution barring nuclear arms in space, amid US security concerns it is developing a nuclear space weapon.

MOSCOW (Reuters) - Russia said on Thursday that Poland was playing a "very dangerous game" by considering the possibility of hosting U.S. nuclear weapons. Polish President Andrzej Duda said on Thursday he had invited Prime Minister Donald Tusk for talks on May 1 about the possibility of nuclear weapons from NATO states being deployed in Poland.

Russia on Wednesday vetoed a United Nations resolution that would ban the use of nuclear weapons in outer space amid US intelligence-backed concerns that Moscow is trying to develop a nuclear device that can destroy satellites.

China must stop supporting Russia's war in Ukraine if it wants to enjoy good relations with the West, NATO Secretary-General Jens Stoltenberg said on Thursday, warning Beijing in unusually harsh words it cannot have it both ways.

Sweden's 9,942 miles of power lines connecting production in the north with its southern cities via forests leaves its energy grid unusually open to sabotage.

China is helping Russia achieve its military goals in Ukraine by continuing to sell Moscow goods such as drone technology and gunpowder ingredients, according to US Permanent Representative to NATO Julianne Smith.