Paul Kevin Curtis of Tupelo, Miss., was arrested Wednesday in connection to ricin-laced letters sent to President Obama and a Mississippi senator.
The president says the failure of the background checks proposal is a "shameful day for Washington."
Five Democrats voted against background checks, while four Republicans crossed the aisle.
PETA sent a letter to the National Institutes of Health asking for a change in the makeup of the BRAIN Initiative committee members.
President Obama addresses Jay-Z and Beyonce and their controversial trip to Cuba earlier this month
The Senate majority leader, who had opposed reinstating the 1994 assault weapons ban, says "I chose to vote my conscience" this time.
President Obama spoke with Today's Savannah Guthrie in an exclusive interview and said he misses Hillary Clinton.
A suspicious package in LaGuardia's central terminal had prompted the evacuation earlier Tuesday morning.
U.S. immigration reform presents an opportunity for Republicans to warm the hearts of -- and capture the votes of -- Latinos.
President Barack Obama will meet with South Korean President Park Geun-hye on May 7 at the White House.
Defense Secretary Chuck Hagel has announced that he will downgrade a special new military medal designed for operators of unmanned drones
Following two explosions that rocked the Boston Marathon on Monday afternoon, Twitter and other social media websites lit up with far-flung rumors about North Korea and the tea party.
Whether the Boston bombings are terrorist attacks or not depends on whose definition you're using.
President Barack Obama said "people shouldn't jump to conclusions" about the Boston Marathon explosions during his first public remarks Monday.
A residence was searched, but police say no suspect is in custody. Some wounded people are being questioned.
A Guantanamo Bay hunger striker published an op-ed in the New York Times on Monday. Reprieve, the detainee's legal council, says it wants to change public opinion on the detention camp.
In the United States, at least at the highest level of politics, being short appears to be a distinct disadvantage.
California politicians want federal intrusion into local affairs.
"It will be fun to see Obama forced to sign [the [Manchin-Toomey legislation]," says the Citizens Committee for the Right to Keep and Bear Arms.
“Saturday Night Live” took on gun control in a brilliant cold opening this weekend, skewering Congress’ lack of progress on the gun-control issue.
Prisoners were being moved into single cells in a bid to break their hunger strike when they fought back.
Russia released a list of alleged human rights violators after the United States passed the Magnitsky Act, but trade will keep the two together.