I was on the Today Show today, May 7, 2008. The taped session focused on studies from two separate laboratories. The first study concerned research on twins’ social relationships, conducted in my lab ...

Fraternal or dizygotic twins develop from two different eggs fertilized by separate sperm; they generally share about 50 percent of their genes. Therefore, fraternal twins are essentially like typical ...

Add Yahoo as a preferred source to see more of our stories on Google. The author's twins were born 45 minutes apart.Courtesy of the author It was my third pregnancy, and when my bump grew faster, I ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. After believing that her daughters were fraternal twins for so long, a ...

“We have always dreamed of marrying twins,” Taiwo Oguntoye said of himself and brother Kehinde ...

When my baby bump began growing at an alarming rate, I persuaded myself that pregnant women are always bigger the third time around. It was a stretch — literally. At 11 weeks, my belly looked five ...