The new U.S. aid package will reestablish a critical flow of weapons to Ukraine’s military, but the war will hinge greatly on which side can ramp up and sustain its firepower and troop numbers in the…

The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

The response to the temporary closure of the Port of Baltimore—from a deadly tanker collision—demonstrates the resilience of U.S. supply chains despite fears of costly disruptions.

Governments and companies are embracing new emissions-reducing technologies that pull carbon dioxide out of the atmosphere. But it is uncertain whether this can work at the scale and in the time nece…

The advanced U.S. fighter aircraft will mark a significant upgrade to Ukraine’s air force, but their impact on the war with Russia will hinge on several factors.

The latest recurrence of domestic protests in Iran stems from the country’s role in regional wars, combined with corruption and economic mismanagement. This discontent is likely to continue to pose a…

CFR assesses the prospects for the first inter-Korean summit in ten years. Kim Jong-un and South Korean president Moon Jae-in will discuss a peaceful end to North Korea’s nuclear program, setting the stage for Kim’s planned meeting with Donald J. Trump in June.