The Tuck family is a fictional family from the novel "Tuck Everlasting," written by Natalie Babbitt. They are known for their unique ability to live forever after drinking from a magical spring. This immortality leads them to live a secluded life, avoiding interactions with the outside world. The family consists of Mae Tuck, her husband Angus Tuck, and their two sons, Jesse and Miles. Throughout the story, they encounter a young girl named Winnie Foster, who learns about their secret and the implications of eternal life. The Tucks' experiences raise questions about the value of life and the natural cycle of death.