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There was no reason for alarm, as a NASA engineer called it "one of the closest approaches by a known near-Earth object ever recorded." It was only 2,200 miles above the Earth's surface.
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NASA's TESS telescope finds a small, iron-rich planet which could help explain the origins of Mercury, the innermost planet in our solar system
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NASA's Juno spacecraft sweeps over Jupiter's Great Red Spot and makes a 3D map of the giant storm. The findings could shed light on gas giant exoplanets in distant solar systems.
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Some scientists say discrimination against gay and lesbian government employees during James Webb's tenure as NASA administrator should preclude him from having a telescope named in his honor.
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The James Webb Space Telescope will let scientists study small, rocky planets around distant stars in more detail than ever before. After decades of work, it could head into orbit later this year.
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Mini Mercury skipped across the vast, glaring face of the sun Monday in a rare celestial transit.
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Almost everyone who learns about the project thinks it sounds "crazy," admits one scientist. But the technology should work.
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At the center of the Patricia and Phillip Frost Museum of Science’s Planetarium stands a masterpiece of its time: the Spitz Model B Space Transit…