Tillerson is the first member of the Trump administration to testify in the trial of Barrack, an adviser to the 2016 Trump campaign and chair of the presidential inaugural committee.

Tillerson was trying to be diplomatic while talking about Trump's reliance on his instincts, but the subtext was clear.

After rising through the ranks at ExxonMobil, Rex Tillerson served as President Trump’s secretary of state beginning in February 2017. After frequent clashing with the president, Tillerson was ...

Correction: An earlier version of this piece incorrectly stated that the quote from Rex Tillerson in the second paragraph came from March 2016. It came from March 2017. On Tuesday morning ...

Rex Tillerson: Everything you need to know Rex Wayne Tillerson served as Trump's secretary of state from Feb. 1, 2017, until March 2018.

Tillerson's dismissal is followed by confusion at highest levels of government. After being fired by the president this morning, Secretary of State Rex Tillerson announced that he will remain at ...

The mystery isn’t why Rex Tillerson was fired this week. It’s why he lasted so long. Tillerson, a thoroughly conventional conservative who became secretary of State on the strength of a career ...

Read Fast Facts from CNN about former US Secretary of State Rex Tillerson.

This week on 60 Minutes, CBS News White House correspondent Margaret Brennan talks with Secretary of State Rex Tillerson in a wide-ranging interview. Among the topics the nation's top diplomat ...

Donald Trump was three weeks into his search for a secretary of state when former Defense Secretary Robert Gates suggested Exxon CEO Rex Tillerson for the job.

Rex Tillerson is out as secretary of state, the White House announced on March 13 as he came back to the U.S. from a trip to Africa. Tillerson will be replaced as the nation’s top diplomat by ...