Reporting from Orlando, Fla. - A killer whale fatally attacked an animal trainer at SeaWorld in Florida on Wednesday, jerking her into the pool and thrashing her around underwater as dozens of horrified tourists watched. Read more

One of the daughters of the pilot who crashed his plane into an IRS facility in Austin, Texas, killing an IRS employee and injuring 12 others, said she hoped his actions would send a message to the government. Read more

An Austin man apparently angry with the Internal Revenue Services and the rest of the federal government flew his small, private plane into a glass-faced office building next to an Austin highway on Thursday killing himself and one other person in an explosive suicidal form of protest. Read more

President Obama's announcement Tuesday of loan guarantees for nuclear power plants may encourage new construction, but a problem still remains that has plagued atomic energy for decades: what to do with nuclear waste? Read more

Toyota's string of recalls and fresh investigations into sudden acceleration have triggered a surge of complaints to federal auto safety regulators that linked the problem to 34 deaths, up from 21 prior to the recall. Read more

The Super Bowl of Surfing lived up to its legend Saturday, and then some. The waves at Mavericks were so massive - the biggest in the history of surf contests, some said - that they caused collateral damage on the sidelines. Read more

America's Mid-Atlantic region, which was blanketed under a massive snowfall only days ago, is now bracing for another winter blast. Read more

A Chinese-born engineer was sentenced Monday to more than 15 years in prison for hoarding sensitive information about the U.S. space shuttle that prosecutors say he intended to share with China. Read more

Planes were grounded, trains stood still and Greyhound buses were not rolling in the Mid-Atlantic, leaving stranded US travellers wondering when they would be able to escape the icy, grey mess created by a major snowstorm. Read more

An explosion that sounded like a sonic boom blew out the walls of an unfinished power plant in Connecticut and set off a fire during a test of natural gas lines Sunday, killing at least five workers, injuring a dozen or more, and leaving crews picking through debris for more possible victims. Read more

US President Barack Obama faced a delicate balancing act in presenting his budget for next year: Stimulating the economy without bankrupting the government. Read more

Toyota Motor Corp suffered a sharp drop in U.S. sales last month as its massive recall and unprecedented sales halt allowed rivals to grab market share from the world's largest automaker. Read more