Researchers edited macaque embryos to induce symptoms of sleep disorders and chose one animal to clone. A bioethicist questions the study’s appropriateness.

A company announces the first pregnancy in a study of whether donor mitochondria can boost IVF’s odds of success.

The documentary weaves together a hunt for mammoth tusks in the Arctic with scenes from the front lines of synthetic biology.

2018 closed with hubbub surrounding the purported birth of babies whose genomes had been edited using CRISPR. What will 2019 hold for CRISPR’s use in humans?

He Jiankui says he has successfully used CRISPR-Cas9 to tweak the genes of twins born earlier this month. Some independent experts are dubious.

Anne Peyroche, who was removed as interim head of France’s National Center for Scientific Research in January, committed scientific misconduct, according to the French Academy of Sciences.

Inserting human “mini-brains” into rodents has the potential to broaden scientists’ understanding of neurological disease, but raises quandaries about consciousness.

The UK-based organization encourages public debate about the issue but does not recommend immediate policy change.

The use of pronuclear transfer to treat infertility must first be backed by evidence it can work in cases where parents seek to avoid mitochondrial mutations.