NASA's first planetary defense mission target gets a new name

Nearly two decades ago, a near-Earth asteroid was discovered to have a moon and the binary system was given the name "Didymos"—Greek for "twin," a loose description of the larger main body and the smaller orbiting moon, ...

Protecting Earth from asteroid impact with a tethered diversion

Our planet exists within the vicinity of thousands of Near-Earth Objects (NEOs), some of which—potentially hazardous asteroids (PHAs)—carry the risk of impacting Earth and causing major damage to infrastructure and loss ...

EPA will regulate two toxic chemicals in drinking water

The Environmental Protection Agency announced Thursday that it plans to regulate two nonstick and stain-resistant compounds in the drinking water amid growing concerns the chemicals found in everything from pizza boxes to ...

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