Franklin Roosevelt

Nuclear weapons generate their huge explosive power through the splitting—or fission—of certain elements, such as uranium or plutonium.

President Franklin D. Roosevelt introduced a proposal to expand the Supreme Court in 1937.

As shameful as the present stunt is, it is at least clarifying about the modern Democratic Party's thirst for power.

It's been 79 years since the attack on Pearl Harbor, which brought the United States into World War II. These photos from the battle are a stark reminder of those lost.

The conservative commentator told Fox Business Trump was "born for this moment" because he doesn't fit either the conservative or liberal ideology of past presidents.

FDR dictated the speech to his secretary but made the revisions by hand himself, according to the National Archives.

The father, a brigadier general at the time, was posthumously awarded the Medal of Honor for his heroics on D-Day.

"There has never been a 10-month president that has accomplished what we have accomplished," Trump said.

Franklin D. Roosevelt wanted art to help build appreciation for Arab culture and counter pro-Israel influence on U.S. foreign policy.

He has lined up six clerics —one more than the previous record-holder Nixon

Presidential tweets to the president elect.

The pathbreaking president's final stage isn't his best.

Clinton could lose the best chance in a generation to turn the Republican Party into pariahs.

Donald Trump killed it in GOP primaries in Democratic states on April 26. Does that augur well for the fall?

Trump has made the connection between his call for banning Muslims and FDR's internment policies.

FDR knew he had to lead the US into the war against Hitler—but some big figures stood in his way.