Kennedy Jr., lawyer, activist, and former presidential candidate, has shown that age is no barrier to strength and physical performance. With ironclad discipline and a routine based on calisthenics, ...

In his skinny, 1960s-style tie, with his face unsettlingly tan, Robert F. Kennedy Jr. was the picture of health at his Senate ...

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

The health committee chairman, Sen. Bill Cassidy, R-La., also has expressed concerns about Kennedy's anti-vaccine work. A ...