Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction. Explore the in-depth sections below.

Calling it a sign of the U.S.’ “ironclad support” for Israel, Defense Secretary Lloyd Austin said U.S. armed forces were moving an aircraft carrier ... attack — using speed boats, taking ...

Velocity is a measure of the speed and direction of the precipitation ... Although already invented, radar was further developed during World War II, with work on the technology stimulated by the ...