Stories by Rachel Fieldhouse

In a French criminal trial, conventional DNA analysis couldn’t distinguish between twin brothers, but emerging scientific methods could help in such cases

In a successful transplant in a man with brain death, scientists prevented the immune system from attacking a genetically modified pig kidney for 61 days, the longest such an experiment has lasted

Experiments suggests H9N2 has adapted to human cells, but cases of person-to-person transmission haven’t been reported yet

School closures and hospitalizations from an unexpected early spike in flu cases in Japan has experts concerned about what lies ahead for other countries

Women’s brains age more slowly than men’s, but they still have higher rates of Alzheimer’s disease

A man diagnosed with brain death received a kidney that was modified to be type O, which is compatible with all blood types

Here are three big ways that Jane Goodall transformed science

Untreated fevers during pregnancy can cause more harm than taking acetaminophen will

In a rare move for a U.S. public official, Secretary of Health and Human Services Robert F. Kennedy, Jr., called for a paper that found no link between aluminum in vaccines and disease to be retracted. The journal rejected the request

The immune system senses damage to cell membranes caused by pore-forming proteins and mounts a response

GLP-1 drugs currently being tested in China target complications associated with obesity such as heart disease, fatty liver disease and type 2 diabetes

Critics fear that U.S. Department of Health and Human Services chief RFK, Jr., known for his antivaccine views, has picked a crucial CDC committee that will be a “disaster for public health”

Investigations by the Japanese company ispace identified issues with speed and an altitude sensor that likely doomed the lander

Reducing the copies of one gene in the bubonic plague bacterium, Yersinia pestis, made it less deadly but potentially more transmissible