In his final press conference, the outgoing president defends the press corps that President-elect Donald Trump likes to bash.
President Obama offered a reminder of the racist history behind some U.S. voting restrictions.
The South Carolina governor differs sharply with the president-elect on a range of issues, including the importance of the United Nations.
The top 15 weather events in the U.S. last year, led by Hurricane Matthew, caused 138 deaths and $46 billion in direct costs.
Rep. Tom Price, Trump's pick for health secretary, was not specific about what the Republicans' replace plan would entail.
Trump's choice to run the Environmental Protection Agency insisted that his "personal opinion" was "immaterial" to his job.
Earth sweltered under the hottest temps in modern times for a third year in a row, raising concerns about the pace of climate change.
About 69 percent of U.S. adults believe the president-elect's Twitter-happy fingers could cause major unintended consequences.
Approximately 1.8 million people flocked to Washington for President Obama's first inauguration in 2009.
The president spoke about his controversial decision to commute the sentence of the WikiLeaks source.