Lawsuit claims a Florida fertility clinic implanted a woman with an embryo not genetically hers or her husband and the baby ...

Natural ovulation before frozen embryo transfer is as effective as hormone treatment for achieving a healthy baby by vitro ...

Women using frozen embryos as part of their IVF treatment can either choose to use a medicated cycle or their natural one to ...

Long before Western astrology, the Chinese zodiac helped organize years, beliefs, and social life. Here’s how the system of 12 animals evolved over the centuries.

In ancient Egypt, what was the Sphinx all about? – Effie, age 8, New Plymouth, New Zealand. One of the most mysterious and ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

A co-parent doesn’t need to be my romantic partner,” said Ms. Reid, who would like to have a child before she turns 36. She ...

Snow is made of tiny ice crystals that can transform into a variety of intricate symmetrical patterns forming a beautiful ...

The neonatal period, which is defined as the first 28 days after birth, is known to be a crucial stage in the development of the human brain. During this stage, the brain is known to grow ...

A partial skeleton dating back more than two million years is the most complete yet of Homo habilis, one of the earliest ...

More girls are hitting puberty at eight or earlier. Researchers are exploring the causes, the consequences and what should be done.