Here's how Father's Day came to be, and why it's observed on the same Sunday every year. In the U.S., Father's Day is always celebrated on the third Sunday of June. This year, that falls on June 15 .

Zoo Miami's oldest animal, a 135-year-old Galapagos tortoise named Goliath, has become a father for the first time, marking a historic first hatchling for the zoo.

The first Father's Day was celebrated in 1910, but it took more than six decades for the day to become official. The holiday piggybacked off Mother's Day, which became a commercial holiday in 1908.

This is Rave’s first Father’s Day as a Major League baseball player. It will also be his first Father’s Day as a major leaguer without his father. “I can’t begin to tell you how much I ...

Sunday marks 115 years since the first Father's Day celebration. Ahead of that special day, we celebrate dads and the daughter who inspired the annual tradition.

For example, in Thailand, Father’s Day is celebrated on Dec. 5, the birthday of the late King Bhumibol Adulyadej, while in Germany, it is celebrated on Ascension Day, the 40th day of Easter.