"We get complacent and assume that things continue as they have been, just automatically, and they don't," Obama said in comments at a conference in Chicago, footage of which was available Friday on social media.
Indonesia's President Joko Widodo met with Obama at the presidential palace on the outskirts of Jakarta, with Obama delighting local media by greeting Widodo with "apa kabar" -- how are you in Indonesian.
Obama warned Trump about Flynn's conduct during a first meeting in the Oval Office, a warning "based on Flynn’s role as head of DIA," according to a former administration official
Move meant to create coal jobs and make 'American wealthy again', US president says
Indian and U.S. diplomats said the idea was to transfer the financial risk to insurers in case of an accident.
The US has made a formal apology to Britain after the White House accused GCHQ of helping Barack Obama spy on Donald Trump.
The former US president landed on the tourist island Tahiti without his family before going to Marlon Brando's privately owned retreat Tetiaroa atoll, which the Oscar-winning actor bought in the 1960s.
The charismatic Obama's signature smile has also popped up across Paris in tricolour posters with his iconic 2008 slogan "Yes We Can" translated into French ("Oui on peut").
Claims former president is behind leaks that have rocked Trump administration 'simply false', Obama spokesman says
Trump repeatedly has denied having any personal ties to the Kremlin, and his aides have denied or played down contacts with Russian officials but is now accusing Obama of tapping his phone during his campaign
Perez, a labor secretary under former president Barack Obama and the party's first Hispanic-American leader, immediately named the contest's runner-up, leftist lawmaker Keith Ellison, as the party's deputy chairman.
Obama walked into the Oval Office holding a letter, which he left on the Resolute desk, a 19th century gift from Queen Elizabeth that is made from the timber of a British arctic vessel.
"It's true that during the period of the presidency of Mr. Obama our relations seriously worsened on all levels," President Vladimir Putin's spokesman Dmitry Peskov said on Obama's last full working day as US leader before Donald Trump is sworn in Friday.
Problems in Syria remain emblematic of incoherence in Obama’s foreign policy, despite Kerry’s attempt at defense
Ex-army analyst to be released from military prison May 17; was sentenced to 35 years in jail in 2013
'We are all in this together,' President Barack Obama tells Americans, 'we rise or fall as one.'
Barack Obama will be remembered for many things but new figures just released show that the US dropped nearly three bombs every hour, 24 hours a day, mostly in Syria and Iraq, but also in Afghanistan, Libya, Yemen, Somalia and Pakistan. That’s seven majority-Muslim countries.
Sixteen years later, Obama is fielding pressure from all sides to grant unlikely pardons or commutations of sentences to people whose supporters say have been unjustly sentenced or sought out by the justice system.
'Our expertise across a wide array of federal legal and regulatory issues will be a great resource,' Eric Holder says
Obama offers condolences for Istanbul nightclub terror attack
Obama, who is returning to Washington on Monday after a two-week family vacation in Hawaii, said he was just beginning to write his remarks.