Jupiter Could Be Out to Get Us

Many astronomers regard Jupiter as Earth’s bodyguard, diligently attracting and smashing foreign bodies that could collide with Earth. But new simulations suggest that Jupiter’s role in the solar system may not be so beneficial. In fact, the gas giant may just have it in for the inner planets, including our own.The… » 10/19/08 8:00am 10/19/08 8:00am