Last summer, China tested a hypersonic missile that traveled through orbit. The test shocked many observers and led to widespread concern about the potential for nuclear-armed missiles that can evade…

For years, large corporations have exploited international tax laws to pay less taxes. But last year, 137 countries backed a potential solution: a 15 percent corporate tax applied regardless of a com…

Birth rates are booming in some countries and plummeting in others. Leading demographer Nicholas Eberstadt and Richard Haass analyze the most important trends and their consequences.