AP - A possible tornado toppled trees in Nebraska and record flooding chased people from their Indiana homes early Sunday as the Midwest braced for still more violent weather.

AP - Two astronauts floated outside the international space station Sunday and finished two of the maintenance tasks on their work list during the final spacewalk of the space shuttle Discovery's visit to the orbiting outpost.

AP - Arson is suspected in the fire that struck the historic Texas Governor's Mansion early Sunday, causing damage that state officials described as "bordering on catastrophic," the state fire marshal said.

AP - The first sample of Martian dirt dumped onto the opening of the Phoenix lander's tiny testing oven failed to reach the instrument and scientists said Saturday they will devote a few days to trying to determine the cause.

AP - Graffiti artists come to New York City from all over the world to make their mark on subway cars, buildings and billboards. They spend hours surveying and then spray-painting hard-to-reach spaces with remarkable precision.

AP - Salmonella food poisoning first linked to uncooked tomatoes has spread to 16 states, federal health officials said Saturday.

AP - Final outfitting of the international space station's new lab, replacing an empty nitrogen gas tank and retrieving some debris off of a solar wing rotating joint were the tasks Sunday for the final spacewalk of space shuttle Discovery's crew.

AP - Drew Snyder and William Ballentine had a commitment ceremony with all the trimmings four years ago, the closest they could get to a wedding at the time.