News of Iran’s upcoming release of U.S. nationals and the unfreezing of Iranian assets has stirred speculation of a new nuclear deal. But there are many obstacles to such a breakthrough.

Warming relations between the two pariah states could foster a mutually beneficial weapons and technology trade and raise tensions on the Korean Peninsula.

The Joe Biden administration says the restrictions are directed at protecting national security, not stifling economic competition.

Numerous competing theories are likely to surface about the demise of the Russian paramilitary commander—all of which help explain Vladimir Putin’s Russia.

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

Mounting frictions between the two sides appear to be part of China’s efforts to disrupt the ties between South Korea and the United States but could end up drawing the two allies even closer.