The quest for a vaccine against HIV has been going on for about 40 years — almost as long as the virus that causes AIDS has been known to scientists and the public. There has been some progress ...

Ask a friend what DNA is and, chances are, they have a general idea. Seventy years after scientists discovered the two-stranded helix, DNA (deoxyribonucleic acid) is widely understood as the keeper of ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two pioneering scientists who created ...

(CNN) — Two pioneering scientists who created the technology behind life-saving Covid-19 vaccines have won the Nobel Prize in medicine or physiology. Dr. Katalin Karikó and Dr. Drew Weissman, both of ...