One twin got colon cancer at 21. The other didn't. Their story illustrates the mysterious nature of the rise of colon cancer ...

Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins ...

I was known for being an identical twin, and that shaped my identity. We lived in a small town in Iowa, and no one could tell us apart. My husband's best friend is a triplet, so he understood that my ...

In very, very rare cases, your twins may be conceived through superfetation, when eggs from two separate menstrual cycles are released, fertilized, and then implanted in the uterus. These twin babies ...

Identical twins from Las Vegas just got a lot closer in Los Angeles. The 56-year-old sisters, Linda Thomas and Karen Rodman, were “feeling well and gratefully celebrating the holiday with their ...

Madison Musick and Kelly Laine are parents to twin boys Telling them apart can get pretty difficult, especially when they are wearing similar clothing However, these parents found a quick trick to ...

Kristen Baker was the maid of honor at her identical twin sister’s wedding. Seconds after the ceremony ended, she stepped out of her bridesmaid dress and into her own wedding gown. “It was crazy,” ...

As Matt and Greg Romano entered their mid-20s, they began to feel stuck. The identical twins, who are the sons of “Everybody Loves Raymond” star Ray Romano, had dropped out of college after barely ...

A 42-year-old woman gave birth to healthy twin girls after transfer of aneuploid embryos. Read how this may reshape embryo ...