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

Cell division is an essential process for all life on Earth, yet the exact mechanisms by which cells divide during early ...

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), ...

Senescence. It’s a beautiful-sounding word whose tones suggest it should be a perfume or an essential oil. But that’s not ...

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 ...

High-resolution 3D womb model gives insights into embryo implantation, infertility, and signals between embryo and mother, ...

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 ...