Researchers have now spotted more than 90 percent of the so-called "planet buster" asteroids in nearby orbits and none poses a threat to Earth. But thousands of midsize bodies remain to be found.
By scattering microwaves with plasmonic materials, University of Texas researchers achieve "three-dimensional cloaking," one step closer to rending something transparent in visible light.
HP announced a new MEMS accelerometer that is 1,000 times more sensitive than existing products on the market.
Earth is near the center of a tangled mass of potentially hazardous asteroids. But there's little to worry about.
NASA camera snaps image of the potentially hazardous near-Earth object known as 1998 KN3 as it makes its way past the Orion Nebula.
With its small telescope, the Near-Earth Object Surveillance Satellite is looking for space rocks that could devastate our planet.
Scientists estimate there are around 500,000 near-Earth asteroids the size of 2012 DA14, and less than 1 percent have been discovered.
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A dwarf planet out beyond Pluto has been found orbiting our sun — and there may be another planet 10 times the size of Earth.
Researchers believe they've found the first rocky, Earth-like exoplanet to orbit a distant binary star system. That's good news for the search for habitable worlds, not to mention real-life analogs to the "Star Wars" universe.