Most adults catching a flight in the United States starting May 7 will be required to present a passport or an upgraded state ...

For years, Robert F. Kennedy Jr. has believed that childhood vaccines cause autism, and he’ been sharing such claims with everyone who would listen—from readers of Rolling Stone to strangers he ...

U.S. passport holders can travel to more than 100 destinations without a tourist visa, but some popular vacation spots require them. We explain the different types of visas and how to apply.