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NASA is also making concerted efforts to prevent “forward contamination,” in which we would be the evil alien invaders who seed other planets with Earth bugs. NASA crashed the Galileo spacecraft into Jupiter last month in an effort to avoid the remote possibility that...
You may not know it, but NASA is guarding you against this danger through the “Office of Planetary Protection,” which is charged with preventing the inadvertent spreading of life between worlds during space exploration. Our efforts to prevent “back contamination?...
And that is just a start. With Russia's space program sputtering for lack of funds and the U.S.'s embroiled in an emotional debate over the future in the wake of Columbia's disintegration, China is looking to catch up to and even surpass its two rivals in the...
Finding Life on Mars The proximity of Mars to Earth [NOTEBOOK, Sept. 1] once again raised the question of whether there is life on the Red Planet. When the Soviet Union launched an unmanned probe to scout the Martian skies [July 18, 1988], we took the opportunity to remind readers...
"The triumphant mission of the U.S. spacecraft Mariner 4 [in 1965] brought some reality to musings about Mars. The craft flew past the planet at a distance of only 9,800 kilometers, transmitting 22 television pictures of a bleak, moonlike landscape pockmarked by craters and showing no signs of life...