Doctors at Kaiser say they haven't had triplets born at the Fresno Medical Center in almost 20 years. The babies are doing ...

The fitness community has long debated whether a high-fat or high-carb diet is the ultimate fuel. Two identical twins put the ...

Dad, Marco Vargas, is just back in Rhode Island from Arizona to be with the couple's other two kids, a boy and a girl.

In a closed adoption, there is no contact between the biological parents and adoptive families— but fate had other ideas.

Momo twins account for one percent of all twin pregnancies, making them extremely rare.

One twin followed a high-fat diet while the other ate high-carb. The experiment has changed what they plan to eat before ...

Find out everything you've always wanted to know about identical twins – from how they form to what makes them unique.

It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical ...

A Tuolumne family of four is now a family of eight after welcoming a rare set of naturally conceived quadruplets in November.