The interaction between genetics and tissue environment shapes how individual teeth form in different regions of the jaw.

Our understanding of human placenta formation just deepened with the discovery of a gene essential to early embryonic ...

For the first time, a team of researchers at the Institute for Neurosciences (IN), a joint center of the Spanish National ...

Every face is unique. Genetics helps to determine our features, but sometimes genes have errors which, in early fetal ...

Nearly three decades since the remarkable cloning of Dolly the sheep, it has all gone quiet on the human cloning front.

Arthur Murray says his dogs Stella and Mella are "100% physically identical." Their personalities? Less similar.

Clare Kilcullen always wanted to be a mother, but when she went through early menopause in her 20s, she wasn't sure how that would happen. "[I thought] it would probably be an egg donor, but then in ...

This is read by an automated voice. Please report any issues or inconsistencies here. Jane Messineo Lindquist is a dog behavior expert, creator of the Puppy Culture program, and author of When Pigs ...

Catholics on social media have been sounding the alarm on a chilling new trend: turning embryos into jewelry. Embryos — frozen children — who are no longer wanted by a family are literally killed to ...

During in vitro fertilisation (IVF), embryos undergo genetic testing before they are transferred to the uterus – but researchers have found that a widely used test cannot detect genetic abnormalities ...

Baby Thaddeus Pierce began as a embryo that was frozen for more than 30 years. He holds the record for developing from the longest-frozen embryo known to result in a live birth. His mom was 4 and his ...