WASHINGTON (AP) — Robert F. Kennedy Jr., an anti-vaccine activist and environmentalist, for years gained a loyal and fierce ...

Vaccines are considered one of the greatest lifesaving public health accomplishments in the 20th and 21st centuries.

U.S. stocks tumbled Friday as the "Trump bump" that Wall Street got from last week's presidential election, along with a cut to interest rates by the Federal Reserve, kept fading.

Two conservative groups opposing abortion rights announced Friday they support President-elect Donald Trump’s pick of Robert ...