Robert F. Kennedy Jr. has built his fortune and reputation on disparaging the government scientists and institutions he's now ...

Kennedy is the country's most well-known anti-vaccine activist, and could soon lead be Trump's top health official.

Kennedy Jr., President Trump's pick for health secretary, has falsely linked vaccines to autism and argued people should have ...

Kennedy, a harsh and persistent critic of childhood vaccination, led the nation’s top antivaccine organization for years.