In very, very rare cases, your twins may be conceived through superfetation, when eggs from two separate menstrual cycles are released, fertilized, and then implanted in the uterus. These twin babies ...

Some dogs are natural-born co-parents. And their protective, pack-oriented nature means they take their sibling duties over ...

CHICAGO -- Twin Ukrainian boys who were born shortly after Russia began its attack in the country have been safely evacuated to Poland. The twins' father, Alexander Spektor, who lives in Chicago with ...