The D.C. police chief stepped up cooperation between her officers and federal immigration officials as President Donald Trump ...

On the evening of Aug. 5, Robert F. Kennedy Jr. posted a 2 1/2-minute video to X announcing that the Department of Health and Human Services was canceling some $500 million in mRNA vaccine research ...

The two leaders are meeting in-person for the first time since the start of Russia’s full-scale invasion of Ukraine.