Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

As you age, your fertility slowly declines. By freezing eggs or embryos when you’re young (usually under the age of 40), you can preserve your eggs’ health and, through in vitro fertilization (IVF), ...

A team of scientists from China has successfully created a miniature womb on a chip that mimics the complex environment of ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

The major objection to the use of embryonic stem cells for scientific research seems overcome by the promising development of a way to extract cells and propagate stem cell lines without killing the ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

A baby boy born to an Ohio couple developed from an embryo that had been frozen for more than 30 years — believed to be the longest storage time before a birth. Tim and Lindsey Pierce in November 2024 ...