Robert F. Kennedy Jr.'s rise to power — and alliance with Donald Trump — has tested his famously tight-knit clan and the loyalty that has allowed it to survive.

The more the US strays from the public health playbook that helped the country to reach official measles elimination in 2 ...

Sometimes you feel so different from your family that you might think you aren’t biologically related to them. But rarely do ...

The Trump administration in court filings has for the first time acknowledged that it fired nearly 25,000 recently hired workers, and said agencies were working to bring all of them back after a judge ...