Russia launched the largest aerial assault on Ukraine overnight Sunday since the beginning of the full-scale invasion, according to the Ukrainian Air Force.

NPR asks Michael McFaul, former U.S. ambassador to Russia, about President Trump's recent tough talk about Russian President Vladimir Putin. Trump said he's now considering new sanctions.

MICHEL MARTIN, HOST: Russia has launched massive drone and missile assaults on Ukrainian cities over the weekend. A MARTÍNEZ, HOST: The attacks happened over the past three nights, even as the ...

President Trump is breaking with decades of U.S. policy toward Russia. NPR's Michel Martin speaks with Elina Ribakova, senior fellow at the Peterson Institute for International Economics, about ...

President Trump has been critical of Russian President Vladimir Putin in recent days. NPR looks at the deteriorating relationship and whether Trump might take steps against Russia in favor of Ukraine.

NPR talks with military analyst Michael Kofman, a senior fellow at the Carnegie Endowment for International Peace, about Russia's gains in Ukraine and what they reveal about the war's direction.

NPR's Michel Martin talks to Russian historian Sergey Radchenko about what happens to Russia's sphere of influence in the Middle East with Assad gone.

MICHEL MARTIN, HOST: Ukrainian President Volodymyr Zelenskyy says his country's forces now control nearly 400 square miles of Russian territory. Russian officials have largely confirmed this.

What does President Trump's changing rhetoric on Vladimir Putin suggest about his relationship with the Russian leader? NPR's Michel Martin asks William Taylor, former U.S. ambassador to Ukraine.

For several days now, President Trump has expressed growing frustration with Russian President Vladimir Putin over the slow progress towards ending the war in Ukraine.

MICHEL MARTIN, HOST: This weekend, the Ukrainian air force said Russian forces launched the largest air assault on Ukraine since the beginning of Russia's full-scale invasion.

NPR talks with military analyst Michael Kofman, a senior fellow at the Carnegie Endowment for International Peace, about Russia's gains in Ukraine and what they reveal about the war's direction.