Genetic Engineering

You have around 35 trillion red blood cells moving around your body at all times. Typically they are rounded and flexible. What happens when they aren’t?

A bioluminescent petunia led me to a world of radiant mushrooms, 19th-century experiments and a modern rivalry between scientists in Russia and the Americas

A method that provides cloned embryos with a healthy placenta has led to the first cloned rhesus monkey that has survived to adulthood and could pave the way for more research involving the primates

Researchers created a monkey that combines cells from two different individuals; a lab technique gave it a strange green glow

Scientists altered the genomes of female fruit flies, allowing them to reproduce without any contribution from a male

The U.K.’s fertility regulator reveals that at least one child has been born using mitochondrial replacement therapy, but the procedure’s effectiveness remains to be seen

Flavor is a tricky target, but technology and powerful genetic techniques are making it more feasible to improve the taste of vegetables

The emerging field of synthetic morphology bends boundaries between natural and artificial life

The “most complicated therapy ever” tailors bespoke, genome-edited immune cells to attack tumors

Two research teams grew synthetic embryos using stem cells for long enough to see some organs develop

The scientists who want to bring back mammoths now hope to revive the marsupial carnivore thylacine

A genomic revolution is poised to cure sickle cell and other genetic diseases