Military conflicts can, at times, last years, if not decades. The U.S. is no stranger to wars, and these are the longest ...

The US and Israel's war against Iran wasn't authorized by Congress. On many occasions in US history, a president has ordered large-scale military operations without approval.

War is one of the leading drivers of both political and economic change, and yet Harvard lacks the space to systematically ...

The agency charged with keeping watch over America's overseas military cemeteries chose its 103rd birthday to open something new to the public, unveiling an online archive of thousands of artifacts ...

Iraq, Afghanistan, Vietnam on list of US ground invasions; also cited as cautionary tales by analysts ...