Antibiotics are facing an existential crisis less than a century after their introduction. Increased bacterial resistance is putting the world at risk of an era in which routine infections are untreatable.

Opioid addiction in the United States has reached epidemic proportions, threatening not only public health but economic output and national security.

The Group of Seven serves as a forum to coordinate global policy, but the Trump administration has provoked questions about the group’s cohesion and relevance.

Since its postwar founding, the UN agency has garnered both praise and criticism for its response to international public health crises.

Kim Jong-un hopes a summit with President Trump will lead to sanctions relief, while experts disagree over whether increased pressure would push Pyongyang toward denuclearization.

The EU’s authority has steadily expanded as its members have passed more and more decision-making power to the union. How do its institutions work?

Tariffs have been applied over the years to protect homegrown industries and target competitors who are seen as using unfair trade practices. They impose costs on both importers and exporters and had been in decline until the recent U.S.-China trade war.

Violence attributed to online hate speech has increased worldwide. Societies confronting the trend must deal with questions of free speech and censorship on widely used tech platforms.

With economic inequality at an all-time high, some U.S. presidential candidates are proposing dramatic shifts to the U.S. tax code. How have similar plans worked elsewhere in the world?