President Biden talked about the sweeping changes he has seen during his long career, urged an end to wars in Ukraine, Gaza and Sudan, and said "some things are more important than staying in power."

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

As leaders gather for the first all-in-person General Assembly since the pandemic, the war in Ukraine is a major focus. Secretary-General António Guterres has warned this is a time of "great peril."

The appearance of the popular boy band from South Korea is one of many unexpected moments at the U.N. General Assembly — everything from a U.N. TikTok to a groundbreaking food summit.