For hundreds of millions of years, wildfires were directed solely by the weather, vegetation and terrain. But in the last century in the United States, people have sought to suppress even those ...

Amid doubts over a common decongestant, evidence suggests the placebo effect can still help people suffering from a cold.

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Baby Boomers may drive a drastic increase in dementia cases in coming decades, but there are steps people can take to reduce their risk.