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NASA researchers said Thursday that test flights conducted in California have shown a commercial jet could fly safely with a blend of jet fuel that includes a plant oil.Scientists at...
Last week somebody at NASA finally got around to stating the obvious and breaking the taboo against saying anything positive about nuclear energy. Nuclear has saved an estimated 80,000...
James E. Hansen, the climate scientist who issued the clearest warning of the 20th century about the dangers of global warming, will retire from NASA this week, giving himself more freedom...