President Barack Obama on Thursday eulogized 12 firefighters who were among 14 people killed in a massive blast at a fertilizer plant in a small Texas town, during a week of tragedy in America.
A coffee date with Apple chief Tim Cook was a hot opportunity on Wednesday as bidding hit $160,000 for the chance being auctioned to raise money for a human rights group.
Growing speculation that the Syrian regime is using chemical weapons is turning up the heat on President Barack Obama, who has warned such a move would be a game changer.
The United States on Wednesday urged China to safeguard the rights of its Uighur minority and carry out a transparent probe of the latest violence in which 21 people died.
Former US president George W. Bush says he remains "comfortable" with the decision to invade Iraq, even as a new spate of bloody violence hit the country and rocked politics in Baghdad.
A hijacked Associated Press Twitter account that rattled markets with false word of an attack on the White House put the security of social media in the crosshairs.
A US man accused of sending a poison-laced letter to the White House was released from jail with his charges dismissed Tuesday as officials searched the home of a rival.
US safety officials investigating burned batteries on two Boeing 787s said Tuesday they are not certain what caused the incidents, even as aviation regulators approve Boeing's fix for the problem.
Hackers spooked markets Tuesday after breaking into the Associated Press's Twitter account and falsely reporting President Barack Obama had been injured after two blasts at the White House.
US lawmakers learned Tuesday that security monitors "pinged" when a Boston bombing suspect flew to Russia last year, as concerns grew about possible intelligence sharing failures.
Apple reported Tuesday that its quarterly profit dipped for the first time in nearly a decade as it squeezed less money from its champions in the competitive smartphone and tablet markets.
The United States would consider any new request from North Korea to resume food aid stalled since 2009, provided Pyongyang allowed US staff inside the isolated country to monitor distribution.
Venezuela stepped up attacks on the United States Monday, threatening retaliatory measures affecting trade and energy if Washington resorts to sanctions in a row over the country's disputed presidential election.
The White House warned Monday that the deadly Boston Marathon attacks should not derail momentum towards immigration reform, as US lawmakers clashed over linking the two issues.
Hollywood star Russell Crowe led tributes Tuesday to Australia's "Queen of Rock" Chrissy Amphlett who died in New York after a long battle with cancer.
The US International Trade Commission on Monday tossed out a Motorola Mobility patent claim that threatened to block the import of some Apple iPhone models into this country.
Health experts warned Monday about serious risks from the "Cinnamon Challenge," a game popular with US teens, who ingest a spoonful of the pungent spice, then try to refrain from drinking water.