(AP) -- Storm science has greatly improved tornado warnings in recent years. But if that's led anyone into a sense of security, that feeling has taken a beating in recent weeks.
Endeavour's astronauts took care of some last-minute space station chores Saturday before packing up to come home and end the next-to-last shuttle flight.
US President Barack Obama named Twitter's chief and a high-ranking Microsoft executive among a handful of technology veterans to be appointed as telecommunications security advisors.
A debilitating drought along China's Yangtze river has affected more than 34 million people, leaving farmers and livestock without water and parching a major grain belt, according to the government.
(AP) -- A federal judge on Friday refused to order a cut in flows from the Grand Coulee Dam that threaten millions of fish raised in pens downstream in the Columbia River.