Ira Leifer, next to an RV he has outfitted with methane sensors and other equipment to sniff the air.
Atmospheric scientist Ira Leifer installed special air sensors on a camper, then drove from Florida to California, measuring methane levels all along the way. More than 6,000 readings later, he found some noticeable spikes, especially around petrochemical plants and urban areas like Los Angeles.
A nearly 90-pound meteoroid produced a one-second flash visible with the naked eye. Since NASA started tracking lunar strikes in 2005, it has counted more than 300 of them.
May 17, 2013 Of all the current Washington scandals, the one involving the IRS appears to have the most staying power. It rolls into one package an agency many love to hate, partisan suspicions and the American appetite for conspiracies.
The breach of protocol comes after Russia expelled an American diplomat they said was a spy. Analysts said the potential outing is an escalation.
The launch comes at a time when tensions had been ebbing, following months of escalating tensions, including threats of nuclear strikes. All three missiles landed in the waters off the country's east coast.
May 17, 2013 The Toronto Star says its reporters have seen a video that purportedly shows Mayor Rob Ford smoking crack cocaine.
May 17, 2013 The political arm of the conservative Heritage Foundation wants GOP leaders to set aside legislation like the farm bill that might turn attention away from questions about the IRS and Benghazi.