The alliance with Japan has been the cornerstone of U.S. security policy in East Asia for decades. Now, Japan’s role in global security is growing as challenges from China and North Korea mount.  …

A global surge in avian flu outbreaks in birds and some mammals is worrying poultry farmers, scientists, and health experts. The trend is provoking questions about the future of the disease and globa…

China and Russia have expanded trade and defense ties over the past decade, but they’re not formal allies. Experts say Russia’s war in Ukraine could be a turning point in the relationship.

China, India, and Pakistan have relatively small but growing nuclear arms programs. This nuclear competition is raising concern because of long-simmering tensions and a lack of efforts at minimizing …