The release of WWII-era military documents this year has given a boost to researchers digging into Japan's germ warfare program. Japan's government has never apologized for the atrocities.

For Masataka Mori, a former professor of irenology at Shizuoka University, the ruins of Unit 731 -- a germ warfare unit that ...

Researchers in Beijing have confirmed the presence of Bacillus anthracis at Unit 731, supporting historical accounts of biological warfare experiments.

In the shadows of World War II, Japan built a secret unit that turned human beings into test subjects. Unit 731’s story is one of horror, cruelty, and silence.

Research uncovers scientific proof that Japan's notorious Unit 731 developed biological weapons by using anthrax in gruesome wartime experiments on prisoners.

Suzuki Shizuo, haunted by experiments performed on a Soviet mother and daughter, found relief after confessing," Jin said. Jin recalled visiting one Unit 731 member more than three times.

Chinese media representatives swarmed around a small-statured man as he apologized before a memorial monument on the outskirts of the northeastern city of Harbin last August.

Titled 731 Biochemical Revelations in English, the film tells the story of Chinese victims of the Japanese Imperial Army Unit 731's inhumane medical experiments.

Titled 731 Biochemical Revelations in English, the film tells the story of Chinese victims of the Japanese Imperial Army Unit 731's inhumane medical experiments.