Babies are not ordinarily a fixture of closed-door White House meetings.But when Robert F. Kennedy…

President Trump has selected Susan Monarez, the acting director of the Centers for Disease Control…

When the biotech company Humacyte designed a study to see if its lab-grown blood vessel…

A week after Donald J. Trump was inaugurated, a senior scientist at the National Institutes…

Robert F. Kennedy Jr., the nation’s health secretary, on Saturday instructed leaders of the nonprofit…

Late in February, as the Trump administration ramped up its quest to transform the federal…