Scientists are working to create human eggs in a laboratory dish, but the process is proving to be more challenging than expected.

There are also concerns about the legal and moral status of embryos. Many countries currently prohibit growing a human embryo in a lab beyond 14 days as a moral safeguard. Full ectogenesis would ...

The same regulatory landscape which influences the development of fingers is present in fish, despite their distinct lack of digits. When researchers used CRISPR (a common gene editing tool) to fiddle ...

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In sexual reproduction, gametes containing a single set of chromosomes combine ...

Scientists created the eggs using DNA from adult skin cells, a step that could someday potentially lead to new ways to treat infertility and enable gay couples to have genetically related children.

Pioneering embryologist Shoukhrat Mitalipov reported that his team has encountered hurdles in creating functional human eggs in the lab ...

Scientists have developed functional eggs from ordinary human skin cells, a proof of concept that could open up new ways to treat infertility.

AI, digital avatars, and simulacra no longer just help us—they are beginning to control our choices, emotions, and political decisions. What does the future look like when the state is modeled in the ...

Researchers at Oregon Health & Science University have accomplished a unique proof of concept to treat infertility by turning skin cells into eggs capable of producing early human embryos. The ...

Human evolution has often been depicted as a process of adaptation, where natural selection and genetic changes drive species toward better-suited traits for survival in their environments. But this ...

Higher levels of THC may cause chromosomal malformations in human eggs that may lead to infertility and miscarriage, a new study found.

Women usually live longer than men, and animals show the same pattern. Evolution, genes, and parenting explain why.