AP - Researchers said Thursday they have identified the remains of Nicolaus Copernicus by comparing DNA from a skeleton and hair retrieved from one of the 16th-century astronomer's books. The findings could put an end to centuries of speculation about the exact resting spot of Copernicus, a priest and astronomer whose theories identified the Sun, not the Earth, as the center of the universe.

Reuters - Signs of distress in the global economy mounted on Friday, with shares in U.S. bank Citigroup Inc plunging on fears about its future, oil prices falling and the future of U.S. automakers hanging in the balance.

AP - NASA couldn't have staged it any better: 10 people in orbit for Thursday's 10th anniversary of the world's most elaborate and expensive housing project, the international space station.

Reuters - Shuttle Endeavour astronauts working outside the orbiting International Space Station faced glitches during a second spacewalk on Thursday, as one astronaut experienced high carbon-dioxide levels after his crew mate lost a tool bag on the mission's first spacewalk.