Robert F. Kennedy Jr.'s record of questioning childhood vaccine safety came under fire from a key Republican at the Trump HHS pick's confirmation hearing.

The New Hampshire senator's son, who lives with severe cerebral palsy, inspired her viral moment in Thursday's hearing for President Trump's nominee for health secretary.

GOP Sen. Bill Cassidy said he was "struggling" with Kennedy's nomination for health and human services secretary after repeatedly challenging his views on vaccines.

In a make-or-break hearing, Health and Human Services nominee Robert F. Kennedy Jr. went before a second committee and it revealed Republican doubts about him. Lisa Desjardins reports on where lawmakers' support stands.

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.

Sen. Maggie Hassan (D-NH) attacked Robert F. Kennedy Jr.'s questionable beliefs about science during his confirmation hearing by citing her son, who has "severe cerebral palsy."Speaking to the committee Thursday,

The issue isn’t only his troubling views but whether a complex federal agency can function effectively under his leadership.

The recent Senate confirmation hearings for Robert F. Kennedy Jr. presented a striking scene that would confuse a time traveler from 10 years ago. Democratic lawmakers took turns excoriating a man who once embodied their ideals. Sen. Bernie Sanders, seemingly grasping for gotchas, was reduced to questioning Kennedy about baby clothing merchandise.

Three of President Donald Trump’s cabinet picks will face skepticism and intense grilling from Democratic Senators during their confirmation hearings Thursday. Robert F. Kennedy Jr. will face his second HHS hearing,

In a personal and impassioned speech, Sen. Maggie Hassan (D-NH) revealed to Robert F. Kennedy Jr. her own struggle with her son’s health and the fears she had about Kennedy’s continued questioning of what has been settled science on vaccines.

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.

Robert F. Kennedy Jr. said he wasn’t antivaccine as senators pressed on his past remarks, in the first of two days of hearings over his nomination for health secretary.