The president approved Ukraine’s use of long-range missiles inside Russia, but that decision, among others, may soon be reversed.

Donald Trump’s impending return to White House has foreign leaders jockeying for position as U.S. President Joe Biden attends his final G20 Summit.

Xi's remarks come after Trump tapped Taiwan supporters Marco Rubio and Mike Waltz for top spots in his administration.

His valedictory visit to South America marks an end to an era as other leaders look ahead to a Trump presidency.

When President Joe Biden worked to burnish his climate legacy in the Brazilian Amazon on Sunday, the unspoken presence of Donald Trump shadowed the historic stop.

Ukraine's President Zelensky reacts to the US decision by saying "such things are not announced. Missiles will speak for themselves".

U.S. President Joe Biden on Sunday called on future generations to safeguard and protect the wildlife and the delicate ecological balance in the Amazon rainforest while visiting the region.

Joe Biden wandered into the Amazon rainforest after giving a speech warning of the dangers of climate change. Wearing an open-necked blue shirt, dark slacks and his trademark Aviator sunglasses, the 81-year-old outgoing US president turned away from the podium and ambled into greenery.

President Joe Biden and his Chinese counterpart, Xi Jinping, closed the book on their diplomatic relationship Saturday, meeting for a final time amid uncertainty over what the next Donald Trump presidency might portend for their two countries’ ties.

The Amazon, which is about the size of Australia, stores huge amounts of the world's carbon dioxide, a greenhouse gas that drives climate change.