While the Pentagon acknowledged years ago that it used American servicemen in World War II mustard gas experiments, NPR found new details about tests that grouped subjects by the color of their skin.

"Against Their Will," looks at how thousands of institutionalized children during the Cold War were subjected to dangerous medical tests.

TOKYO - Japan is starting to excavate the site of a former medical school that may reveal grisly secrets from World War II. The investigation begins Monday at the former school linked to Unit 731 ...

Archaeologists found a bunker used by WWII Japanese scientists to conduct human experiments, says a report. They say the site could provide new evidence about war crimes committed by the notorious ...

At the height of World War II, scientists from Harvard conducted secret military medical experiments at the Norfolk State Prison Colony. It’s one of the many forgotten stories from the prison ...

The release of WWII-era military documents this year has given a boost to researchers digging into Japan's germ warfare ...

Their reactions were used to establish what was "normal," and then compared to the minority troops. All of the World War II experiments with mustard gas were done in secret and weren't recorded on the ...