Powerball officials say the jackpot has climbed to an estimated $600 million, making it the largest prize in the game's history and the world's second largest lottery prize.
A Soyuz space capsule with a three-man crew returning from a five-month mission to the International Space Station landed safely Tuesday on the steppes of Kazakhstan.
It might not be unusual for schoolchildren to write to the president or vice president. But one Wisconsin boy got an unexpectedly personal response.
The Indian government announced Tuesday the development of a new low-cost vaccine proven effective against a diarrhea-causing virus that is one of the leading causes of childhood deaths across the developing world.
Treating breast cancer almost always involves surgery, and for years the choice was just having the lump or the whole breast removed. Now, new approaches are dramatically changing the way these operations are done, giving women more options, faster treatment, smaller scars, fewer long-term side effects and better cosmetic results.
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