Russia's gas transit to Europe via Ukraine stopped on Wednesday, Moscow and Kyiv said, ending a decades-long arrangement and ...

Gas deliveries to Europe through a pipeline in Ukraine have stopped as a deal signed five years ago expires. Ukraine called the halt of Russian gas transiting through the country a "historic event." ...

Russia and Ukraine officially ended gas transit to Europe via Ukraine on Wednesday. The development ended a decadeslong ...

The U.S. has imposed sanctions on two groups linked to Russian and Iranian disinformation campaigns targeting this year's ...

Ukrainian President Volodymyr Zelenskiy said late on Tuesday that no one would give peace to his country as a gift, but he ...

The year is ending with a pair of sharp messages between top advisers to Russian leader Vladimir Putin and President-elect ...

Russia is suspected in a wide range of indirect attacks in Europe, including cutting undersea cables.

President-elect Donald Trump casually and unintentionally threatened the security of the world, including the United States, when he talked in early 2024 about not protecting NATO countries that had ...

The Kyiv International Institute of Sociology, the research organization where we work, has been conducting national public ...

Keith Kellogg, a retired lieutenant general and national security adviser to former President Donald Trump, presented a plan ...