New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn ...

Physicians have long observed a mystifying phenomenon: After a bout of infection or an autoimmune disease flare-up, some people experience prolonged mood swings, emotional dysregulation, and changes ...

Our educational programs advance Harvard Medical School's core mission to alleviate human suffering by nurturing a diverse group of leaders and future leaders in both clinical care and biomedical ...

As part of the multifaceted process of conducting rigorous, reproducible research, scientists often grapple with challenging questions. While there are hard-and-fast rules for certain matters, many ...

The 2025 Breakthrough Prize in Life Sciences has been awarded to five scientists for the discovery and characterization of the hormone glucagon-like peptide-1, or GLP-1 — findings that subsequently ...

Spyros Artavanis-Tsakonas, professor of cell biology, emeritus, in the Blavatnik Institute at Harvard Medical School, has received a prestigious 2025 Canada Gairdner International Award. He is being ...

Research in mice identifies protein responsible for regulating gut movement in response to pressure, exercise, and inflammation. The findings can inform precision-targeted treatments for intestinal ...

Five HMS researchers have been elected fellows of the American Association for Cancer Research (AACR) Academy. Election recognizes scientists whose contributions have driven significant innovation and ...

Joyful shouts filled the lobby of the New Research Building on the Harvard Medical School campus as 164 graduating students tore open the envelopes of long-awaited letters containing the momentous ...

Sixteen years ago, Michael Segel was a rising senior at Brookline High School in Massachusetts when, acting on a friend’s suggestion, he signed on for a summer stint at a Harvard stem cell lab. “I was ...