Paying people a compliment appears to activate the same reward center in the brain as paying them cash, Japanese researchers said on Wednesday.

Delta Air Lines, the nation’s third-largest carrier, says its loss widened in the first quarter to a whopping $6.39 billion due to soaring fuel prices and the steep decline in the company’s market value.

American Airlines said it was canceling up to 500 flights Tuesday, potentially more than one-fifth of its schedule, to check the bundling of wires in some planes, the same issue that caused the airline to scrap more than 400 flights last month.

Zimbabwe's opposition said on Wednesday it had defeated President Robert Mugabe in both presidential and parliamentary elections.

The father of a soldier listed as missing-captured in Iraq since 2004 said Sunday that the military had informed him that his son's remains had been found.

As if the idea of colonoscopies didn't sound uncomfortable enough, now researchers are developing self-propelling probes that crawl inside the colon and grip its sides with the aid of sticky films.

NATO forces sent jets to escort two Russian long-range air force bombers patrolling neutral skies near Alaska on Wednesday, Russian news agencies quoted the defense ministry as saying.