AP - Scientists believe NASA's Phoenix Mars lander exposed bits of ice while recently digging a trench in the soil of the Martian arctic, the mission's principal investigator said.

AP - Democratic presidential hopeful Barack Obama's campaign announced Friday that he will campaign with former rival Hillary Rodham Clinton next week, a step toward unifying a fractured Democratic Party after a bruising primary fight.

AP - If Samuel Israel III had reported to prison like he was supposed to, he would probably be washing dishes, mopping floors or serving meals to fellow inmates today. And he might be getting up at 4:30 a.m. to do it.

AP - For the second time in 15 years, Keith Aubuchon found himself packing his belongings and evacuating his home to escape a "100-year" flood of the Mississippi River. He returned and remodeled his house after the flood of 1993. This time, he doesn't know if it will be worth coming back.

AP - After decades of denials, the Chinese have acknowledged burying an American prisoner of war in China, telling the U.S. that a teenage soldier captured in the Korean War died a week after he "became mentally ill," according to documents provided to The Associated Press.

AP - For the first time since Hurricane Katrina, the 1920s-era St. Charles Avenue streetcar will clack along its entire 13-mile route Sunday.

AP - A public school teacher preached his Christian beliefs despite complaints by other teachers and administrators and used a device to burn the image of a cross on students' arms, according to a report by independent investigators.

AP - A pact made by a group of teens to get pregnant and raise their babies together is at least partly behind a sudden spike in pregnancies at Gloucester High School, school officials said.

AP - The little boy's body was a study in pain. He was covered in cigarette burns, including to his genitals. He couldn't fully open his hand because it had been burned on a stove. His tooth was broken with a nerve exposed. And he had been made to sit in his own urine and feces, authorities say.