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Patches of the moon are destined to become spacecraft graveyards where dead lunar satellites and other defunct hardware can be crashed into the ground, far away from sites of cultural and scientific importance, researchers say.

The number of…

Large doses of vitamin C may provide our lungs with a degree of protection from the harmful effects of fine particles in the air. Referred to as PM2.5, in reference to their micrometer-wide particle size, these pollutants have been linked to…

Before a space telescope ever reaches orbit, and long after satellites are up there, NASA has another way to do frontier science: high-altitude scientific balloons. These helium balloons can loft instruments to roughly 120,000 feet (about 36.6…