Human bodies have to be built from a single egg cell that's fertilized by a sperm cell. Many rounds of cell division occur as the body is developing, and it seems that there are plenty of chances for ...

It was good to read letter writer Ben White trying to address the key question that is too often bypassed in discussions about abortion. That is, when does life begin? It is key because we value human ...

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 ...

A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm ...

In the Latin rite of the Catholic Church, Dec. 8 is the solemnity of the Immaculate Conception, but this year it was moved to Monday the 9th to avoid a conflict with the Second Sunday of Advent.

In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a “fairy tale” rooted in ...

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 ...

Many state legislatures are seriously considering human embryos at the earliest stages of development for legal personhood. Total abortion bans that consider humans to have full rights from the moment ...