For decades, the dream of fixing harmful mutations in mitochondrial DNA felt out of reach. Scientists have long known these ...

Presque Isle State Park officials are working with the Erie County Department of Health to figure out why E. coli levels are so high.

Mexico’s government clarified there was “no indication” that an airplane it intercepted loaded with cocaine had originated from El Salvador, according to a letter posted by Salvadoran President Nayib ...

"I don't think we should do research on dogs or cats," NIH Deputy Director Nicole Kleinstreuer said. "Absolutely not." ...