Fifteen years after the killing of former Prime Minister Rafiq Hariri roiled Lebanese society, the international tribunal’s ruling has left wide open the question of who at high levels was responsibl…

Countries will collectively need to spend trillions of dollars to reach their decarbonization goals and protect the most vulnerable nations from climate disasters, but experts say current funding lev…

The U.S. military detention center at Guantanamo Bay, Cuba, has generated intense debate for two decades, raising enduring questions about national security, human rights, and justice.

This year saw progress in areas from species comebacks to space exploration.