When clinicians first peeked at the developing embryos in the uterus of an Australian mother-to-be, they found a not-uncommon phenomenon: a pair of 6-week embryos, each inside its own amniotic sac but ...

Caleb and Jeremy Baker wed Brooklyn and Kristen Stutler, respectively, on March 14 Courtesy @Wildroots_Photography Two (identical) sets of wedding bells are ringing! Identical twin brothers Jeremy and ...

Identical twins may not be nearly as identical as once believed. Research in 2005 found that identical twins differ in how their genes express themselves. Now scientists have learned that all ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Ash Jurberg Every time Ash publishes a story, you’ll get an alert straight to your inbox! Enter ...

For more than a century, scientists have debated whether intelligence is mostly a product of nature or nurture. Identical twins—those born with the same genetic blueprint—have long been the perfect ...

It makes sense that identical twins would have the exact same DNA, right? Spoiler alert: Not always! Here's why. Identical twins (also called monozygotic or MZ twins) are conceived when a single sperm ...

A pair of Australian-born twins just became some of the most unique humans on Earth. Neither identical nor fraternal, they are semi-identical — also known as sesquizygotic, a condition so rare that ...

Their husbands have confused them in the past, the wedding photographer said. — -- Identical triplet sisters gave guests triple vision when they walked down the aisle and said "I do!" together at ...

It’s a tale of two twins. Twins Jevon and John Whittington are identical – down to their height (5’6″), weight and what they eat. Then they decided to go on a polar opposite diet for science: one went ...

A study published in Nature found that identical twins — twins that come from a single fertilized egg — aren't genetically identical. Instead, they differ by an average of 5.2 genetic mutations that ...