Russia’s early setbacks in its invasion of Ukraine could have foreclosed on some of President Vladimir Putin’s sweeping war objectives, but he is unlikely to relent given the conflict’s momentum.  

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.

Grueling work, financial stress, and shifting values are pushing too many of the navy’s nuclear personnel out of the service. Here’s how it can turn things around.

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.

Well-documented crackdowns on religious freedom in China, especially against Muslims and Christians, only show part of Beijing’s religious policy. Another side involves state support for “indigenous …

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…