Mr. Kennedy appears to have most Republicans behind him as he seeks the job of health secretary, though he couldn’t escape his past stances on vaccines and abortion.

Senator Bill Cassidy, a physician and key G.O.P. vote, joined Democrats in aggressively questioning Robert F. Kennedy Jr., President Trump’s pick for health secretary. He did not say how he would vote.

Robert F. Kennedy Jr., President Trump's nominee to lead the Department of Health and Human Services, faces Senate confirmation hearings today. What can we expect?

(THE CONVERSATION) The many controversial people appointed to the Trump administration, from Elon Musk to Robert F. Kennedy Jr., have at least one thing in common: They dislike and distrust experts.

The Southern Poverty Law Center is deeply concerned about the nomination of Robert F. Kennedy Jr. As the Senate Committee on Finance continues the confirmation hearing for this nominee to lead the U.S.

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

Dr. Todd Ellerin, the director of infectious diseases at South Shore Health, discusses President-elect Donald Trump’s pick to lead the Department of Health and Human Services. Robert F. Kennedy ...

Robert F. Kennedy Jr., a former presidential candidate and environmental activist, endorsed Donald Trump last year and threw his weight behind a campaign to “Make America Healthy Again.” For the past two decades he has been best known for airing skeptical views on vaccines.

Robert F. Kennedy Jr. ‘s bid to be the nation’s top health official is uncertain after a key Republican joined Democrats to raise concerns over the nominee's skepticism of childhood vaccinations.

In his first Senate confirmation hearing to be secretary of the Department of Health and Human Services, Robert F. Kennedy Jr. repeated claims we have written about before on vaccines and chronic disease.

Alexandra Sifferlin, a health and science editor for Times Opinion, hosted an online conversation on Wednesday with the Opinion columnist Zeynep Tufekci and the Opinion writers David Wallace-Wells and Jessica Grose about Robert F. Kennedy Jr.’s first of two confirmation hearings for secretary of health and human services.