The billionaire philanthropist says he will accelerate his giving — but then dissolve his organization in 20 years, decades earlier than he originally planned.

Therapies involving mRNA, a key to Covid vaccines, hold great potential in treating several diseases, but some lawmakers want to ban them and the government is cutting funding.

Does it alter your DNA? Is the technology safe? And other questions, answered.

Since President Trump announced plans for mass deportations and rescinded protections for hospitals and clinics, health care facilities have seen a jump in no-shows.

Dr. Means, President Trump’s new pick for surgeon general, has focused on the prevalence of chronic diseases and called on the government to scale back on childhood vaccines.

The director of the National Institutes of Health previously floated — then walked back — the idea of an autism registry, alarming researchers and parents.

The research team studying how to improve I.V.F. was a casualty of cutbacks at federal health agencies.

As China and the United States trade charges of a lab leak, researchers contend in a new paper that the Covid pandemic got its start, like a previous one, in the wildlife trade.

As chief of Stanford’s neonatology department for more than 20 years, he helped revolutionize the care of preterm and critically ill newborns.

Generally, researchers will no longer be allowed to direct federal funds to international collaborators.