The man who hopes to be President Donald Trump’s health secretary said he needed to see data showing vaccines are safe, but ...

Ancient Greece produced the earliest records of democracy, western philosophy — and, it turns out, lead pollution.Researchers studying sediment cores recovered from mainland Greece and the Aegean Sea ...

Robert F. Kennedy Jr. said he wasn’t antivaccine as senators pressed on his past remarks, in the first of two days of ...

The issue isn’t only his troubling views but whether a complex federal agency can function effectively under his leadership.

The story of the life, military achievements and battle scars of one resilient Green Beret.

An American Airlines flight collided with an Army helicopter Wednesday night and crashed into the frigid waters of the Potomac River.