Photographs showed the facial differences between twins, one of whom allegedly smoked and tanned for 16 years while the other ...

As the age of the twin set increased, the effect of the hormone replacement therapy on age increased slightly. Also, larger differences of years of hormone therapy between the twins resulted in ...

Globally, mothers are having fewer children. Yet despite this latest observed decline in birth rates, the number of twins and triplets being born today is higher than ever before.

On Monday the Minnesota Twins became Major League Baseball’s last team to unveil their City Connect uniform. The “Ripple Effect” was felt throughout Twins Territory, and while fans were ...