In 2016, two Japanese reproductive biologists, Katsuhiko Hayashi and Mitinori Saitou, made an announcement in the journal Nature that read like a science-fiction novel. The researchers had taken skin ...

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 ...

Conception and pregnancy are complicated processes that depend on many factors, including the production of hardy sperm, healthy eggs, unblocked fallopian tubes that allow the sperm to reach the egg, ...

This complicated but fundamental question has enormous ethical, legal, medical, philosophical, religious and scientific overtones. An article in The Journal of the Association of Basic Medical ...

The response to the coronavirus outbreak has rightly been about protecting human life. As a nation, we have taken extraordinary steps to protect public health and save lives. However, there is a huge ...

When it comes to abortion, this letter is for all those who subscribe to scientific facts regardless of religious beliefs, personal opinions, or morals. The science of the creation of human life is ...

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 ...