CAPE CANAVERAL Florida (Reuters) - An unmanned U.S. supply rocket exploded shortly after lifting off from a commercial launch pad in Virginia, the first disaster since NASA turned to private operators to run cargo to the International Space Station.
KINGS BAY Ga. (Reuters) - Defense Secretary Chuck Hagel grabbed a ladder extending through the sleek black hull of the USS Tennessee at a Navy submarine base here and disappeared down the hatch for a close look at one of the Pentagon's most daunting budget issues.
PAHOA Hawaii (Reuters) - A slow-moving river of molten lava from an erupting volcano flowed through a residential property on Hawaii's Big Island, threatening dozens more homes and businesses, authorities said.
DENVER (Reuters) - Green billionaire Tom Steyer vowed to make the November congressional elections about climate change. Now he's talking about abortion and the economy to get his candidates across the finish line.
PHOENIX (Reuters) - A U.S. federal judge on Tuesday ordered a controversial Arizona sheriff to undergo the same training as his deputies to prevent racial profiling and unlawful detention in the wake of the lawman's recent comments.
WASHINGTON (Reuters) - Suspicious cyber activity has been detected on the computer network used by the White House and measures have been taken to address it, a White House official disclosed on Tuesday.
ATLANTA/WASHINGTON (Reuters) - As the second of two nurses infected while treating an Ebola patient left an Atlanta hospital, President Barack Obama on Tuesday said policies adopted in the United States should not discourage Americans willing to fight West Africa's outbreak.
WASHINGTON (Reuters) - The United States is increasing security at government buildings in Washington and other cities because of continuing terrorist threats and last week's attack on the Canadian parliament, the Homeland Security Department said on Tuesday.