Russia’s extraordinary show of force in and around Ukraine underscores the military imbalance between the two countries. 

Scientists say the rain forest is approaching a critical tipping point at which the damage is irreversible.

The 2020 U.S. election is threatened by pandemic-related disruptions as well as long-standing weaknesses that could undermine its legitimacy. How will international election observers judge the proce…

Corruption investigations that started in Brazil ultimately triggered political upheaval across the continent. But the Brazilian taskforce’s methods have been questioned, including over alleged bias…

The Assad regime and Arab capitals will reap the greatest rewards, but ordinary citizens and certain foreign governments involved in Syria’s war have less to gain.