A newly discovered organism is challenging the fundamental definition of life, blurring the lines between viruses and ...

Pfizer’s mRNA flu vaccine outperformed the standard flu shot in a Phase 3 clinical trial, according to results published Wednesday in the New England Journal of Medicine. The vaccine uses the same ...

Scientists have recovered ancient molecules of RNA from a juvenile mammoth named Yuka, who died 40,000 years ago in what is now Siberia. These biological remnants are providing insight into the last ...

Scientists successfully sequence the RNA from woolly mammoths found in Siberia that lived up between 10,000 thousand and 50,000 years ago. When you purchase through links on our site, we may earn an ...

Steven Hatfill, a senior biosecurity adviser at the Department of Health and Human Services (HHS), was dismissed after expressing the belief that messenger RNA Covid vaccines should be removed from ...

A new study has found that receiving messenger RNA-based COVID-19 vaccines such as those from Pfizer (NYSE:PFE)/BioNTech (NASDAQ:BNTX) and Moderna (NASDAQ:MRNA) could boost the survival rates of ...

People are still debating whether the mRNA from COVID-19 vaccines remains in the body longer than it should. Some say it lingers and causes harm, others say that idea just doesn’t hold up. A new ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...

A new study, led by researchers at Children's Hospital of Philadelphia (CHOP), identified tiny pieces of messenger RNA that are missing in pediatric high-grade glioma tumors but not in normal brain ...

The U.S. Department of Health and Human Services is terminating contracts for messenger RNA vaccine research, the latest move by the current administration against technology that led to the ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

How does a cell know when it’s been damaged? A molecular alarm, set off by mutated RNA and colliding ribosomes, signals danger. When the sun shines on your skin, what does it hit? When it causes a ...