Thomas Jefferson had his eyes on Louisiana, and so did Spain.

Did the bloody downfall of South Vietnamese President Ngo Dinh Diem put the United States on a slippery slope into a quagmire?

In 1945 Women’s Army Corps Cpl. Margaret Hastings went down aboard a C-47 in a remote New Guinea valley, launching an improbable story of survival.

WWII's Convair B-32 Dominator never got the chance to live up to its name.

For young American army officers of the time, the Mexican War was not only the road to glory, it was the road to promotion — a proving ground for future Civil War generals.

After WWII, questions rose about which nation POWs belonged to or even whether they would be killed upon going home.

What the fatal airplane crash of the country star says about flying then and now.

German inventor Otto Lilienthal had flown more than 2,000 times before his glider failed him.

Bernard Law Montgomery's chief of staff, Sir Francis de Guingand, made things easier for a difficult general.

Once a Hollywood scourge, opioid overdoses are now an everyday plague across America. She was one of its most famous victims.