Accusations that Nazneen Rahman bullied employees at the Institute of Cancer Research in the U.K. stretch back 12 years.

The DNA-cutting enzyme used in the technique is not as precisely targeted as scientists had thought, and investors take notice.

Brief electroporation appears to make T cells more receptive to new genetic material, which could speed the development of immunotherapies.

A re-analysis of sequencing data from a 2016 study of these tiny metazoans reveals possible contamination, rather than an exchange of DNA among species.

The results could lead to a treatment to lower cholesterol in patients with hypercholesterolemia.

It’s the first demonstration of the technology in mammals.

The goal is to expedite the time it takes to bring families together, but immigration advocates say the tests raise concerns about how the government will use the data.

Scientists have sequenced the koala’s genome.

The University of California, Irvine, which found him guilty of inappropriate behavior, will remove Ayala’s name from buildings and scholarships.