Many insects rely on heritable bacterial endosymbionts for essential nutrients that they cannot get through their diet. A new study, published in Nature Communications, indicates that the genomes of ...

Mitochondrial diseases are severe, often untreatable, and they leave human cells unable to grow normally without outside help. A new study published in Nature Metabolism now shows that a single gene ...

Nucleotide synthesis—the production of the basic components of DNA and RNA—is essential for cell growth and division. In most ...

Fossils unearthed in Morocco from a little-understood period of human evolution may help scientists resolve a long-standing mystery: Who came before us? Three jawbones, including one from a child, ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

This statement might sound like a line from a sci-fi movie, but what if life on Earth didn’t start here at all? For decades, that question sat on the fringe of science, it was filed next to crop ...

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Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

Creating human eggs from adult cells just got one step closer to reality. A technique used in cloning combined with fertilization and a bit of chemical coaxing caused human skin cells to produce eggs ...

Human is a five-part Nova series, produced by the BBC, that takes a look at the origins and survival of the human race. The host is paleoanthropologist Ella Al-Shamahi, and she travels to various ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...