Today, cloning is not a technology that can simply “copy and paste” living things. But it’s brought advances in several ...

Some IVF clinics are using AI to perform tasks such as sperm and embryo selection, but some fertility experts question ...

(The following is the text of a homily given by Cardinal Robert W. McElroy, the archbishop of Washington, during a special ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

Before America, nations typically justified their existence through conquest, bloodlines, ethnicity, geography or even the ...

Birthright citizenship narrowly prevailed at the Supreme Court. Justice Ketanji Brown Jackson's opinion reads as a warning ...