Rick Santorum swept three nominating contests held Tuesday evening, upsetting frontrunner Mitt Romney and injecting new energy into the former Pennsylvania senator's campaign.
NBC’s Chuck Todd tells TODAY’s Ann Curry that Rick Santorum’s sweep of Tuesday’s GOP presidential contests was a “rejection by conservatives of Mitt Romney.” (TODAY)
Emergency calls placed in the minutes after Josh Powell killed his two young sons were released Tuesday, including one from the "traumatized" social worker outside the house.
Police in Washington state released a 911 call placed by the social worker who dropped Josh Powell’s two young sons off before he murdered them and took his own life in a house fire. NBC’s Miguel Almaguer reports. (TODAY)
Bombardment of the Syrian city of Homs by government forces killed at least 47 civilians in the first eight hours of Wednesday, activists in the city and opposition sources said.
BERLIN -- Europe's aviation watchdog called for checks Wednesday on the entire worldwide fleet of Airbus A380 superjumbo jets for cracks on parts inside the wings.
Science editor Alan Boyle's blog: Colorful videos prove that the astronauts aboard the International Space Station had the best seats in the house for last month's northern lights.
Ted Olson, lead counsel arguing against Proposition 8 in the U.S. 9th Circuit Court of Appeals, talks with Rachel Maddow about the court's ruling against Proposition 8 as unconstitutional. (The Rachel Maddow Show)
A prominent Chinese official who might have been the country's highest-profile policeman has dropped from sight amid unconfirmed reports of a scandal and a bid for U.S. asylum.
Argentina’s government plans to lodge a complaint with the United Nations over “militarization” of the South Atlantic, Argentine President Cristina Fernandez de Kirchner says.
Airline pilots and privacy rights activists are fretting over a provision of the FAA funding bill passed by Congress that would open up the U.S. skies to drones.
The ex-president of the Maldives said he was forced to resign at gunpoint, despite earlier claims by the Indian Ocean resort islands' new leader that there had not been a coup.
A hacker released the source code for antivirus firm Symantec's pcAnywhere utility on Tuesday, raising fears that others could find security holes in the product and attempt takeovers of customer computers. The release followed failed email negotiations over a $50,000 payout to the hacker calling himself YamaTough to destroy the code.
Fatal shark attacks across the globe reached a 20-year high in 2011, researchers report, while attacks in the U.S. were the lowest over the last decade and none were fatal.
President Barack Obama called on Tuesday for millions of dollars in new funding to improve math and science education, an effort he said would be crucial to the nation's long-term success.
Astronaut Janice Voss, a veteran of five spaceflights and a former science director for a NASA exoplanet-hunting spacecraft, has died after a battle with cancer. She was 55.
