Can you measure the weight of a human soul? No, but that didn’t stop Duncan MacDougall from trying.

Explore 25 human experiments too disturbing to ignore. From Tuskegee to Nazi camps, discover the shocking medical atrocities ...

Experiments aboard Orion are capturing insights about astronaut health that were never recorded during the Apollo program.

Modern humans continue to be drawn to crystals, sometimes attributing healing or spiritual powers to them. But this study, ...

Add Yahoo as a preferred source to see more of our stories on Google. William Blake’s 1805 illustration for Scottish poet Robert Blair's poem "The Grave" imagines the soul rising from the body at ...

Before today’s strict ethical standards was a darker past of unethical human experiments carried out in the name of ...

History is full of moments where the pursuit of knowledge crossed into something far darker. Governments and scientists, shielded by secrecy and institutional power, have conducted experiments on real ...

Stanley Milgram’s obedience experiments revealed how ordinary people could follow authority to disturbing extremes, with many ...