Chicago -- Global positioning systems have climbed out of the car and into the kitchen with a robot that can sweep or wash the floor.

Washington -- The U.S. space agency says it's inviting graduate and undergraduate U.S. students to take part in its fourth annual Systems Engineering Paper Competition.

New York -- U.S. scientists studying the extinction of large mammals in India say the country needs improvements in protected areas and cultural tolerance for some species.

London -- Hollywood actress-producer Drew Barrymore, reflecting on an at-times troubled life, told a British newspaper she is "happier now than I've ever been."

New York -- U.S. scientists say they might have discovered a new way to trick the body into consuming more fat to avoid obesity.