Clara Sousa-Silva, whose expertise in phosphine as a biosignature gas was key to a recent analysis that may have detected life in the clouds of Venus, has moved to the Center for Astrophysics | Harvard & Smithsonian for the final two years of her fellowship. She discusses the finding and the broader topic of the search for life on other planets.

Six months after reopening, Harvard’s labs report an unblemished safety record, important contributions to the state’s economy, and an array of scientific findings, albeit with the requisite frustration of operating during a pandemic.

Anthony Fauci predicted herd immunity by next fall and “normality” by 2021’s end, as long as enough people get vaccinated to bring the pandemic to an end.

COVID-19 has not only sickened and killed millions around the globe, it has wreaked havoc on existing programs to fight health ills that affect millions more. Harvard T.H. Chan School of Public Health Dean Michelle Williams discusses with the Gazette an “action agenda” on global health for the incoming Biden administration.

Evidence of a post-Thanksgiving surge should be emerging this week, a Harvard epidemiologist said, advising people who gathered together to get tested or assume they’re infected.

Experts said the complex rollout of a coronavirus vaccine gives the U.S. a chance for a win after the virus gained the upper hand in its initial phase.

Harvard psychiatric epidemiologist Karestan Koenen said acknowledging that this Thanksgiving will be hard is a first step toward a meaningful holiday.

As part of our series, artificial intelligence is examined through the medical lens. It may lift personalized treatment, fill gaps in access to care, and cut red tape, but risks abound.

William Hanage, an associate professor of epidemiology at the Harvard T.H. Chan School of Public Health, offers key advice as the holidays approach.

Medical experts say a vaccine will be a key development in the fight against the coronavirus, but warned against thinking its deployment will mean the fight is over.