U.S. special envoy Steve Witkoff is meeting with Russian President Vladimir Putin to discuss a peace plan that Washington hopes can end the nearly four-year war in Ukraine.

A senior Ukrainian defense official told Business Insider that the Delta system has increased combat efficiency and decision-making speed.

The war in Ukraine has been raging for almost four years; 11 if you start with Crimea’s annexation in 2014. So many predictions have proved wrong along the way: Russia will win within a week. Ukraine is winning, against the odds. Western sanctions will bleed Russia dry and force it to the negotiating table.

The gaps between Kyiv and Moscow remain too explicit, and their reasons for obstinacy too drenched in sacrifice, anxiety and blood.

The world’s attention was fixed on talks between Ukraine and the U.S. in neutral Geneva over the weekend. Delegations from both countries have redrafted conditions of an earlier peace plan, which although it has not been officially released,

A recent push by the Trump administration to reignite peace talks in Russia's war on Ukraine has led to a flurry of diplomacy to get the main players to the negotiating table. Now on the doorstep of what will be the fourth anniversary of Russia's invasion of Ukraine, are we any closer to an end to the war?

NPR's A Martinez speaks with historian Oleksa Drachewych about the Kremlin's position on a possible peace deal to end the war in Ukraine.

Talks between Russian President Vladimir Putin and U.S. envoys on Tuesday yielded no public breakthrough on a potential Ukraine peace deal, with Kremlin aide Yuri Ushakov suggesting unsolved "territorial problems" were the main stumbling block.

Oil tankers in the Black Sea have become front-line targets in the war between Russia and Ukraine, as Kyiv turns its focus from military assets to commercial shipping crucial to Moscow’s oil revenues.