Associated Press

Antifa, short for “anti-fascists,” is an umbrella term for far-left-leaning militant groups and is not a singular entity.

Autism isn’t a disease. It’s a complex developmental condition better known as autism spectrum disorder that affects different people in different ways.

Some studies have raised the possibility that taking acetaminophen while pregnant might up autism risk, but many others haven’t found that concern, says a Penn autism expert.

Many people start seeking vaccinations in the late summer or early fall to get protection against any winter surges in cases. Here's a closer look.

A former teammate said the Hockey Hall of Fame goalie died overnight in his sleep. His No. 1 jersey was retired by the team.

This move is among the changes to the program for highly skilled foreign workers, which has come under scrutiny by the administration.

The Philadelphia Eagles are defending their controversial tush push play amid criticism from people around the NFL.

Trump has filed lawsuits against outlets whose coverage he dislikes, threatened to revoke TV broadcast licenses and sought to bend news organizations to his will.

The Palestinian activist remains protected from detention or deportation under a separate judicial order in his civil rights case in New Jersey, which remains ongoing.

Trump's reach has extended deep into the private sector, using the federal government apparatus to pressure companies to make changes that can reshape the public dialogue.

The shooting erupted in the area of North Codorus Township, about 115 miles west of Philadelphia, not far from the Maryland line, authorities said.

A judge shut down an attempt to use a 9/11-era New York terrorism law in the case against Mangione. If that sounds like an unusual use of a terrorism law, it wasn’t a first.