Scientists at a technology company said Sunday they have created human embryos through cloning, drawing criticism from President Bush and lawmakers and raising new ethical questions. Advanced Cell ...

In a breakthrough at the intersection of quantum physics and biology, researchers at the University of Adelaide have figured ...

The court also ruled that the child's best interest requires recognizing the birth mother's partner as her legal father to ...

Human embryos briefly exhibit traits like tails and gill-like structures, revealing our evolutionary history and deep ...

Cells in the developing heart must find the perfect match, much like a game of microscopic speed dating. Using filopodia—tiny ...

China: A randomized clinical trial conducted at fertility centers in China assessed live birth rates following fresh versus ...

In developing hearts, cells shuffle around, bumping into each other to find their place, and the stakes are high: pairing ...

In times of maternal stress, the hormone can delay an embryo's development for days to weeks after conception, a new study in ...

In Tjitske Zaat and colleagues’ study,1 fewer than 3% of patients in natural menstrual cycles were administered exogenous progesterone for luteal phase support. In their Comment,2 Shari Mackens and ...