Citing national security concerns, President Donald Trump has placed travel bans on people from 12 countries, primarily in ...

President Donald Trump’s new ban on travel to the U.S. by citizens from 12 mainly African and Middle Eastern countries is set ...

President Donald Trump's proposed travel restrictions on 19 countries went into effect Monday. The new proclamation ...

On Monday, scores of scientists at the agency sent their Trump-appointed leader a letter titled the Bethesda Declaration, ...