As the U.S. copes with ongoing measles outbreaks and possible changes to the childhood vaccine schedule loom, a new report shows the risks of delaying vaccines.

A large, new study found that the stimulant methylphenidate, such as the drugs Ritalin and Concerta, may lower the risk of psychosis when prescribed to younger children with ADHD.

Underwater archaeologists announced they had discovered the ancient wreck of an ancient Egyptian pleasure boat off the coast of Alexandria.