When someone says the word embryo, what do you think of? Probably that picture you’ve seen a thousand times on a thousand different news articles: a translucent orb swelling with cytoplasm being ...

(RNS) — Scientists have created a human embryo without the use of sperm or an egg — a true test-tube baby. Such embryos cannot (yet) develop into full-grown human beings. Even if transplanted into a ...

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 ...

By engineering a system replicating the womb lining with high biological accuracy, researchers at the Babraham Institute and ...

Scientists have discovered a kind of “pause button” in early human development. This biological mechanism has long been known in other mammals, but its discovery in humans could aid IVF procedures.

Researchers have used naïve pluripotent stem cells to create an embryo model that looks and acts like a natural human embryo. They say it’s an ethical way of gaining a better understanding of ...

The team placed blastocysts—embryos 5-6 days after fertilization that were donated following IVF procedures—onto the ...

A fertility clinic in Australia has confirmed a critical error in which one woman gave birth to another couple’s child after an embryo transfer went wrong. The ...

Our lofty friends, the giraffes, are slowly and quietly disappearing from the wild. Some organizations are trying to help ...

Alabama’s Supreme Court has ruled that frozen embryos are people, the first time a court has ever given rights and protections so early after conception. The ruling is limited to Alabama, but it has ...