Since 1949, U.S.-China relations have evolved from tense standoffs to a complex mix of intensifying diplomacy, growing international rivalry, and increasingly intertwined economies.

For more than a century, countries have wrestled with how to improve international cooperation in the face of major outbreaks of infectious diseases. A pandemic of a new coronavirus that originated i…

Since 1945, many regime leaders and key figures have been brought before domestic and international courts to answer to charges including genocide and crimes against humanity, amid a larger struggle …