Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

After repeated, recent statements by U.S. President Joe Biden that he does not believe human life begins at the moment of conception, or characterizing such a belief as a matter of faith, scientists ...

Elizabeth Dias is the national religion correspondent for The New York Times, and often writes about faith and politics. For this story, she spoke with scientists, philosophers and spiritual leaders ...