The 72 to 66-million-year-old oviraptorosaur embryo was found in Ganzhou, Jiangxi Province, in southern China.

The average American consumes 277 eggs per year, so you’ve probably thought about the dozens of different ways to cook them, ...

It’s a new way to create “bi-paternal” mice that can survive to adulthood—but human applications are still a long way off.

The two female sharks present in the tank had not been in contact with a male for more than three years. The post Shark egg ...

Scientists in China have manipulated embryonic stem cells to create laboratory mice with two male parents that managed to ...

Officials with the Shreveport Aquarium recently announced the unusual birth of a swell shark pup in a tank where only two ...

The UK's fertility watchdog, the Human Fertilisation and Embryology Authority (HFEA), has revealed that the technology for ...

“Others work by thinning the lining of your uterus, so if the egg and sperm connect, the embryo can’t stick into the lining,” Yen says. If it can’t stick to the lining, also known as ...

Thin endometrium can affect fertility and pregnancy. Learn its symptoms, causes, and treatments to improve uterine health and ...

(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell. (e) “Male” means ...

A team of researchers has answers. Their mathematical model forecasts the ideal body plan of a fruit fly's early embryo, suggesting that evolution might had many optimal options at its disposal.