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 ...

BERKELEY, CALIF. — On a cloudy day on a gritty side street near the shore of San Francisco Bay, a young man answers the door at a low concrete building. "I'm Matt Krisiloff. Nice to meet you," says ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

In the face of the very real cross of infertility that many couples face today, the Church instead promotes research into ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm, genes from skin cells, and the "shells" of existing egg cells.

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 ...

INDIANAPOLIS — Southern Baptists on Wednesday voted to oppose the use of in vitro fertilization while also affirming a belief that embryos kept in freezers are "human beings." Despite some internal ...

Researchers at São Paulo State University (UNESP) in Brazil have studied a protein in sperm and discovered two new targets that can be used in combination to develop male contraceptives. The study ...