A spending bill approved by a House committee would require the agency to “accelerate” the replacement of nonhuman primates in laboratories starting in October.

As artificial life forms become more sophisticated, we propose a simple list of criteria to determine whether synthetic biological organisms and robots are living beings.

Many researchers see the move to relax the rules as a welcome change, yet some are worried the revisions don’t take public concerns enough into consideration.

The advisors’ recommendations follow news of ethically dubious gene-editing work carried out by He Jiankui late last year.

Uncertainties about the cells’ risk profiles and the potential for hyping unproven therapies mean scientists and the media must tread carefully.

After the controversy of a Chinese scientist who was involved in editing the genomes of twin girls, the country puts forth tighter guidelines.

Documents about the experiment challenge a Chinese government investigation’s finding that He Jiankui mostly acted alone.

Multiple researchers were aware of He Jiankui’s clinical trial before the news became public in November.

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