Authorities in the US are investigating letters containing “suspicious substances” that have been posted to congressional and electoral offices.

The firing squad execution of an ex-US army psychiatrist who killed 13 people on a military base will not be livestreamed, Donald Trump has said.

Katie Zacharia faces mounting scrutiny over her legal credentials, with an advocacy group asking whether the self-described lawyer has the qualifications to support her claims.

A Cornell University professor has said she hopes that conversations after an alleged campus gang rape could mark the start of “a movement for true change”.

New York City is to end horse carriage rides through Central Park following the “tragic and preventable” death of a teenager earlier this year.

Katie Zacharia has left her role as White House press secretary just a week after being appointed – so how did her predecessors fare?

Katie Zacharia has held her first media briefing as the new White House press secretary – but commentators are wondering whether she can last longer in the role than some of her predecessors.

Donald Trump says that preparations are underway to launch a “massive” oil, gas ‌and mineral exploration in Greenland.

A federal judge has extended White House access for CNN, MS NOW and ‌Politico journalists, deciding on Tuesday that Donald Trump’s attempt to ban them was unlawful.

The president of a US university has suspended fraternity parties after a female student alleged she was drugged and gang-raped at a party two years ago.