Donald Trump’s first stint in the White House proved to be a chaotic ride for the nation's capital

Croatia's prime minister says the European Union country will hold a presidential election on Dec. 29

President Joe Biden is making an urgent appeal to fellow world leaders to surge money to developing nations to curb climate change as he wraps up his final appearance at a major international summit

The U.N. nuclear watchdog says Iran has defied international demands to rein in its nuclear program and has increased its stockpile of uranium enriched to near weapons-grade levels

Russian President Vladimir Putin has signed a revamped version of his country's nuclear doctrine that lowers the bar on when he could use Moscow’s atomic arsenal

An endangered fin whale that washed up near a coastal trail in Alaska’s largest city has attracted curious onlookers while biologists seek answers as to what caused the animal’s death

Trump chooses billionaire businessman and key transition adviser Howard Lutnick as nominee for commerce secretary

President Vladimir Putin formally lowered the threshold for Russia’s use of nuclear weapons, following U.S. President Joe Biden’s decision to let Ukraine strike targets inside Russian territory with American-supplied longer-range missiles

The founder of an artificial intelligence company that worked with large school districts nationwide has been arrested on fraud charges