Zelenskyy remains adamant about NATO membership for Ukraine because it means that other security guarantees are more likely, experts say.

Zelenskyy did say, "The U.S. will have to send their sons and daughters exactly the same way as we are sending [our] sons and daughters to war." However, he was talking about a hypothetical situation in which Ukraine losing the war against Russia would lead to a broader conflict resulting in Americans being pulled into fighting.

As Russia bombs Ukraine and Trump pushes Zelenskyy for a "better deal," what will it take to end the war Vladimir Putin started?

Ukraine's President Volodymyr Zelenskyy said Sunday he would be ready to give up the presidency if it brought peace and NATO membership.

At an emergency summit without U.S. presence, NATO countries agreed to increase support for Ukraine, as Trump and Zelenskyy divide widens.

Republicans in Congress are becoming increasingly hostile to NATO amid disagreements between the White House and European nations on Ukraine.

Some foreign policy analysts and Democratic lawmakers are aghast. Others have compared Trump’s about-face on the war to the U.S. switching sides during World War II. Alexander Vindman, a former National Security Council aide, even claimed that Trump was now pursuing a Russia First policy.

NATO chief Mark Rutte has urged Ukrainian President Volodymyr Zelenskyy to try and bury the hatchet with Donald Trump following their White House clash.

Uncertainty about whether President Zelenskyy may resign following heated discussion with President Trump or if Kyiv gets NATO membership have left questions on who could lead Ukraine next?

Elon Musk has taken to social media to make a major claim about Ukraine’s President, Volodymyr Zelenskyy, in a bizarre 're-election' rant.

While speaking with the media in Ukraine, Zelenskyy vowed to "resolve" the issue around NATO, saying he is looking to either join the alliance or "something similar." Zelenskyy has been pushing ...

Ukrainian President Volodymyr Zelenskyy said he would give up the presidency in exchange for peace and his country's acceptance into NATO, although it was not clear if he was actually considering stepping down.