Tracy Danner

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NASA Uses Laser-Equipped Satellite To Study Boom-And-Bust Cycles Of Polar Phytoplanktons

Scientists believe that studying the behavior of phytoplanktons — the microscopic plants that live on or near the surface of oceans — in the polar …

Inside the Experimental Search for Dark Matter

Although dark matter is believed to exist in large quantities, the best way to find and measure dark matter continues to elude scientists.<p><i>By</i> <i>Anthony</i> …

America Needs a New Moon Mission

The lunar surface has never been more interesting.<p>Fifty years ago, the U.S. had the moon to itself. Starting in 1969, when the first of six Apollo missions touched down, it seemed likely that American astronauts would make a long-term home on the lunar surface. Instead, the U.S. sent its last …