Joseph P Kennedy III

Several politicians and relatives, including her son Robert F. Kennedy Jr. and his wife, the actress Cheryl Hines, were in attendance.

By Christina Morales and Maya Shwayder

Well-known members of the storied political family endorsed the president in Philadelphia, rejecting one of their own as he worries Democrats with an independent bid.

By Nicholas Nehamas and Michael Gold

With a mandate to drum up American investment but avoid the many political pitfalls, Joe Kennedy III will need to tread carefully in Belfast.

By Mark Landler

With the appointment of Joe Kennedy III, President Biden hopes a marquee name will aid in promoting economic development in the struggling country.

By Mark Landler

Young progressives are an unpredictable new factor in Massachusetts elections. They’re ardent, and organized, and they don’t take orders.

By Ellen Barry

The result was the first loss by a Kennedy in a Massachusetts election and demonstrated the progressive energy that is reshaping the Democratic Party.

By Jonathan Martin

Senator Edward J. Markey is facing off against Joseph P. Kennedy III, while the powerful Representative Richard E. Neal is confronting a challenge from the young mayor Alex Morse.

By Jonathan Martin

Edward Markey, 74, entered Congress before Joseph Kennedy III was born. But in their Senate race he has harnessed the energy of Alexandria Ocasio-Cortez and the ascendant left, much to Mr. Kennedy’s frustration.

By Jonathan Martin

The discovery of 8-year-old Gideon McKean’s body came six days after he and his mother, Maeve Kennedy Townsend McKean, went missing in a canoe. Her body was found Monday.

By Sandra E. Garcia

Maeve Kennedy Townsend McKean and her 8-year-old son drifted into the bay after paddling out in a canoe to retrieve a ball. Her body was recovered on Monday evening.

By Maria Cramer, Michael Levenson and Neil Vigdor