The federal government is cutting $500 million in research money for development of mRNA vaccines, which were widely used against the COVID-19 virus. Health Secretary Robert F. Kennedy Jr. said in a ...

Many people first learned about mRNA vaccines during the coronavirus pandemic, when the companies Pfizer-BioNTech and Moderna released their COVID-19 vaccines. The Pfizer-BioNTech shot was the first ...

South Korean researchers have, for the first time in the world, uncovered how messenger ribonucleic acid (mRNA) vaccines enter human cells, function inside the body, and are blocked by certain ...

We asked experts about how the technology works, its safety and its potential in medicine. By Nina Agrawal Health Secretary Robert F. Kennedy Jr. has repeatedly questioned the safety of mRNA vaccines ...