Ukraine

Analysts explain why some fear that the Russian military will use chemical weapons—and how the world would know if it did

The weapons are error-prone and could hit the wrong targets

Crowded shelters and destroyed health care facilities will likely exacerbate COVID, TB and other diseases

Rather than take a side, these campaigns create decision paralysis that leads to inaction

“Our climate goals may well be another victim of Russia’s aggression,” says Fatih Birol, head of the International Energy Agency

Engineers achieved “a year’s work in two weeks” to safely do so

Nuclear states admit to owning about 13,000 warheads, but the real number could be higher

When Russia invaded Ukraine, many analysts expected an unprecedented level of cyberattacks—which so far haven’t materialized

Young people and women need to be more involved in a continual process of averting armed conflict

Researchers at the investigative collective scour the Internet to expose possible war crimes

There are no individual saviors for Tonga’s Internet infrastructure

Russia’s invasion is halting the delivery of wheat to areas suffering from drought and other climate impacts