Federal judges are looking back to the 18th century to define what constitutes an invasion, weighing a key legal argument for the Trump administration's use of a wartime deportation authority.

Russia continues to work to get control of eastern Ukraine as the country's forces refuse to surrender.

Russia continues to work to get control of eastern Ukraine as the country's forces refuse to surrender.

Kyiv and Kharkiv are among the many cities that were attacked by rockets.

The invasion of Ukraine occurred despite weeks of diplomatic efforts, including calls between President Biden and Russian President Vladimir Putin and European leaders' visits to Putin in Moscow.