COVID-19 cases are rising again as a new variant begins to circulate in some parts of the world. The World Health ...

The U.S. saw a small increase in measles cases last week, an indicator that outbreaks are slowing down, though exposures at a ...

New tools bring closer the possibility of exterminating species considered harmful to humans, which is fueling an ethical ...

Provisional data shows that overdose deaths in West Virginia declined by an astonishing 43.5% in the last year. Nationally, ...

A herd of wild horses roaming a desert river in Arizona has stirred up a legal and ethical standoff over how they should be ...