The identification of 16 additional genetic markers will help researchers get closer to understanding how — and why — psoriasis develops.

The link between the birth defect microcephaly and the Zika virus has raised alarm. Now, a new examination of non-Zika cases could help scientists understand why microcephaly occurs in any patient.

Genetics experts used to think the Xist gene acted alone in silencing X chromosomes. But researchers say it has accomplices — and the implications matter for treating X-linked diseases.