The candidate was set to host a concert for Iowa youth Saturday night ahead of Monday's caucuses, which could make or break his 2016 campaign.
A motorcycle show was scheduled to be held at the National Western Complex this weekend.
The president previously has made official visits to mosques outside the U.S., but not inside the country.
The endorsements of Democratic and Republican presidential candidates were made a couple of days before the caucuses conducted by early-voting Iowa.
Federal authorities have urged residents of the Michigan city to get their water supplies checked for lead.
U.S. Sens. Ted Cruz and Marco Rubio are appealing to Iowan women in search of a president who can protect their families from terrorism.
Under the terms of a recent deal, China has committed to purchase $5.3 billion worth of soybeans from Iowa farmers in a single marketing year.
Wintry weather Monday evening is likely to raise concerns among some presidential candidates about voter turnout.
The former Alaskan governor's political action committee has nearly exhausted its reserves, with funds at their lowest level, a report said.
Michigan already allows employers to pay minors 85 percent of either the state or federal minimum wage, whichever is greater.
Simpson was famously acquitted of murder charges in 1995 after the killings of his wife, Nicole Brown Simpson, and Ron Goldman.
Bac Duong, 43, gave himself up to police in Santa Ana on Friday, the Orange County sheriff said.
In Vermont, the Judiciary Committee of the Senate voted 4-1 Friday for a bill that would enable residents to possess up to an ounce.
In a statement Friday, the Clinton campaign downplayed the announcement as an example of "overclassification run amok."
Vantiv Entertainment Solutions, payment processor for FanDuel and DraftKings, is said to have cut ties to those clients -- but DraftKings disputes the report.
In a nod to the "X-Files" TV series, the U.S. intelligence agency has highlighted 10 reports of particular interest.
Some police contracts were also hacked in the data dump.
While Democratic candidates have pledged to make the criminal justice system more accountable to people of color, Republicans have not been as open to the debate.
In a bid to achieve workplace equality, the Obama administration wants companies to report wage data by gender, race and ethnicity.
Americans of mixed race are increasingly choosing the label “multiracial” and are reporting themselves as such to the government.
In a New York Times op-ed, Sen. Elizabeth Warren notes that enforcing existing laws is just as important as legislative agendas.
A white high school student in Maryland was filmed saying black lives don’t matter because “they are an inferior race.”
Women's votes will likely be important for the former secretary of state as she battles Vermont Sen. Bernie Sanders in the Iowa caucuses Monday.
The U.S. is likely safe from an outbreak — except perhaps in the South, where poverty and mosquitoes could put people at unique risk.
A Beaumont fire rescue official said the school did not have carbon monoxide detectors, adding that the incident was being investigated.
As part of the tests, large financial firms will have to show how they would withstand various economic and financial shocks.
The grainy aerial footage shows 54-year-old Robert ‘LaVoy’ Finicum reaching into his jacket before he was shot dead by law enforcement Tuesday.
The U.S. senator from Florida commanded the stage at Thursday's GOP debate with powerful rhetoric about how to defeat extremist groups.
The debate in Des Moines unfolded days before the Iowa caucuses Monday, the nation's first nominating contest, and as Republican front-runner Donald Trump decided to boycott the Fox forum.
During the final GOP debate before the Iowa caucuses, Sens. Marco Rubio and Ted Cruz took one another to task.