Surface spills near fracking sites implicated in water contamination

Chemicals used in fossil fuel extraction appear to be creeping into drinking water from above. In private...

That familiar feeling comes from deep in the brain

It’s happened to all of us at one time or another: You’re walking through a crowd, and suddenly a face seems incredibly...

Long before going to Europe, humans ventured east to Asia

Modern humans reached southern China at least 35,000 years before setting foot in Europe, new fossil finds suggest. These...

Chemical tags on DNA appear to differ between gay and straight men

BALTIMORE — Molecular tests may be able to distinguish homosexual from heterosexual men, a small study of twins suggests. Chemical...

Elephants’ cancer-protection secret may be in the genes

Elephants’ genetic instruction books include a hefty chapter on fighting cancer. The massive mammals have...

First known case of sexually transmitted Ebola reported

A Liberian woman contracted Ebola in March by having sex with a survivor of the viral disease, researchers report....