A new study makes a compelling case for the origin of unexplained masses of underground rock causing changes to the Earth's magnetic field.

Experts explain how lie detectors work, what happens in the brain when we tell lies and how accurate polygraph tests are.

The sudden prevalence of an artery in the forearm is evidence that we're still very much a work in progress.

Ground-penetrating radar allows the non-invasive virtual excavation of Falerii Novi.

Coke, meth, ecstasy, amphetamines: each drug has a different 'capital'

Thousands of people are experiencing severe pulmonary issues from vaping, and some are dying.

An unexpectedly revealing find in Mongolia solves a longstanding riddle.

"Brasilia, the biggest paper town ever."

Forensic cartography 101: Explain what Brasilia is doing on this map of 1920s South America.

Lovers deadlier than gangsters, first comprehensive Danish homicide study since 1970s shows

He was a very good boy.

There are reasons you look the way you do.

Interactive map reveals the horror — and the patterns — of murder in 14th-century London.