Warfare

Ukraine’s former environment minister explains the Russian invasion’s dangerous impact on water and nuclear safety

A top U.S. commander wants to test technology that can better defend domestic targets

The two countries must put aside their mistrust in order to establish rules for the peaceful use of outer space

As the war in Ukraine intensifies, rather than prepare for future wars, we should talk about ending war once and for all

Complex weapon systems are inherently prone to accidents, and this latest launch is one of a long history of military accidents in India

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

Congress needs to fund independent research on radioactive contamination and how to clean it up

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

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

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

International cooperation could stem and redirect some of the $2 trillion the world wastes each year in the global arms race