Scientists have created the first detailed day-by-day map of human embryo development using single-cell technology.

Our ancient past isn't always buried history. When it comes to our DNA, nearly 9% of the human genome is made up of leftover ...

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 ...

US scientists testing the technique say it could help people overcome infertility and potentially allow same-sex couples to ...

The embryos weren’t used to try to establish a pregnancy, but the researchers behind the technique say it could one day be ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

Ali Brivanlou slides open a glass door at the Rockefeller University in New York to show off his latest experiments probing the mysteries of the human embryo. "As you can see, all my lab is glass — ...

Ancient viruses are embedded everywhere in the human genome. Estimates range, but it's thought that about eight percent of the human genome could be made up of these ancient retroviruses, which are ...

Scientists at Oregon Health & Science University (OHSU) have successfully transformed human skin cells into egg cells, marking a significant advancement in fertility research. This breakthrough offers ...