The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead ...

Researchers say discoveries could expand the CRISPR toolbox and lead to more efficient, rapid diagnostic tools for detecting COVID-19, influenza, and RSV.

Researchers uncovered a previously unknown CRISPR immune response in bacteria that targets transfer RNAs. The newly ...

Researchers at Utah State University revealed new details about CRISPR immune system defenses, such as Cas12a3 systems, that ...

While you’re probably pretty familiar with DNA, it’s likely that RNA only made it onto your radar during the pandemic, thanks to Covid-19 vaccines such as the ones from Moderna and Pfizer. DNA is “the ...

A novel CRISPR defense mechanism, unlike known nucleases, specifically destroys transfer ribonucleic acids (tRNA) that are ...

tRNAs have a distinct cloverleaf secondary structure and an L-shaped tertiary structure. The cloverleaf structure is formed by the folding of the single-stranded tRNA molecule, which is typically ...

RNA’s Surprising Role in DNA Repair New insights could lead to improved treatments for cancer and other diseases. Francesca Storici and her research team discovered a surprising role for RNA in DNA ...

A new research paper featured as the cover of Volume 17, Issue 12 of Aging-US was published on December 22, 2025, titled “A ...

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 ...