Black excellence. Twin sisters at a New York high school graduated with 105.3 and 104.9 grade point averages. Sisters Gloria and Victoria Guerrier were named valedictorian and salutatorian ...

Cassandra Dean and Alexis Dean are fourth-year students with much in common. They are fraternal twins who enrolled at Northeastern University together. Headlines like "Black Friday Shoppers ...

Fraternal twins come from two separate eggs that two different sperm fertilize. Fraternal twins have separate amniotic sacs and placentas. Fraternal twins are the most common type of twin.

More types of twins exist than previously thought. Beyond identical and fraternal, there's a rare third type. Twin pregnancies have unique risks and outlooks.

I'm a mom of fraternal twin girls. Just because they're twins doesn't mean they look or act the same. I encourage my twins to be themselves without forgetting their unique connection as twins.

Fraternal, or dizygotic, twins share 50 percent of their genes. If identical twins share a trait to a greater degree than fraternal twins do, it’s safe to conclude that the relevant gene ...

Fraternal twins reared apart offer informative contrasts. Twins as couples focus on the quality and outcomes of twins’ social interactions as the twins work together on a joint project or task.

The odds of having three sets of natural, fraternal twins range from 1 in 88,000 to one in 200,000, according to news reports. The del Rosals said they are open to having additional children.

The author (not pictured) married an identical twin and had fraternal twins. Courtesy of the author I had an emergency C-section and gave birth to my twins early at 35 weeks.