Three armed Russian MiG-31 jets entered Estonian territory, prompting U.N. Security Council emergency meeting and U.S. commitment to NATO Article 5 defense.

WASHINGTON (AP) — White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with the matter on Thursday, marking the first major staff ...

Mike Waltz, the newly confirmed U.S. ambassador to the United Nations, on Monday called on Russia to “urgently stop” violating NATO countries’ airspaces and pushed for de-escalation in the region. In ...