After going viral for sharing how doctors told her identical twins apart in the womb, mom of three Gabrielle Taylor opens up ...

Scientists describe twins as two beings who share the same uterus at the same time. They are further distinguished based on whether they developed from one or many eggs, and whether they shared a ...

When you’ve just had identical twins, it’s normal to spend a lot of time looking down at their squishy little bodies and analyzing every subtle way they differ from one another. Unlike fraternal twins ...

There’s something fascinating about twins. The idea of two babies growing together often captures people’s curiosity. Many ...

The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...

For 35 years, I was certain my twin sister and I were fraternal. My sister signed us up for a twin study, where we collected our DNA with a swab. We found out we were actually identical twins. When ...

After believing that her daughters were fraternal twins for so long, a mom was stunned when a genetic test revealed otherwise. Not long after Tamara Vanderent, 30, discovered that she was expecting ...

For the best experience, please enable JavaScript in your browser settings. Scientists describe twins as two beings who share the same uterus at the same time. They ...