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

Across all domains of life, immune defenses foil invading viruses by making it impossible for the viruses to replicate. Most known CRISPR systems target invading pathogens' DNA and chop it up to ...

02 February 2023, Hesse, Marburg: A press spokeswoman points to a plasmid model at the Görzhausen I Biontech site. Photo: Sebastian Christoph Gollnow/dpa (Photo by Sebastian Christoph Gollnow/picture ...

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

Japanese scientists have discovered a process by which RNA could have readily formed from a prebiotic environment on ancient ...

A forested hill and clouds are in the background of an image of a shallow pool of steaming water, with the ground underneath colored in shades of beige, red, and brown. Life may have first emerged in ...

Life’s most indispensable molecules are not the serene, unchanging fixtures they might appear to be. Even the proteins that ...

DNA-nanoparticle motors are exactly as they sound: tiny artificial motors that use the structures of DNA and RNA to propel motion by enzymatic RNA degradation. Essentially, chemical energy is ...

In the early 1980s, David Gilmour, now an emeritus biochemistry and molecular biology professor at Pennsylvania State University, joined the laboratory of geneticist and biochemist John Lis as a ...

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