[WASHINGTON] US Democratic lawmakers on Tuesday unveiled a list of eight more witnesses who will testify in open hearings as part of the impeachment investigation into President Donald Trump.

[WASHINGTON] Progressive Massachusetts Senator Elizabeth Warren tops the field for the 2020 Democratic presidential nomination in a new poll, though other voter surveys have former vice-president...

[WASHINGTON] US Democratic presidential candidate Elizabeth Warren has squeezed ahead of long-time front-runner Joe Biden for the first time, according to compiled polls released on Tuesday.

[WASHINGTON] The White House slammed the door in a letter on Tuesday on any cooperation by President Donald Trump's administration with the Democrats' impeachment probe, calling it "...

[WASHINGTON] Congressional Democrats slapped subpoenas on Monday on the Pentagon and White House budget office as part of their advancing impeachment probe, demanding documents tied to President...

[NEW YORK] US President Donald Trump on Wednesday called the grounds for his impeachment laid out by Democrats "a joke," after he was accused of pressuring his Ukrainian counterpart for domestic...

[WASHINGTON] Top US Democrat Nancy Pelosi was expected to announce a formal impeachment inquiry of Donald Trump on Tuesday, amid mounting allegations of abuse of power by the US president.

[HOUSTON] Frontrunner Joe Biden went on the offensive on Thursday in the third Democratic debate of the 2020 White House race, clashing with top rivals on the fraught issue of health care in...

[WASHINGTON] Democrats moved on Monday to intensify their impeachment investigation of President Donald Trump as whiffs of new scandal surrounding the White House emerged related to Mr Trump's...

[WASHINGTON] Former US vice-president Joe Biden continues to hold a lead among Democratic presidential aspirants, a new poll showed on Sunday, despite recent questions about his age and mental...