Dragonfly, NASA's nuclear-powered rotorcraft-in-progress, has cleared a pivotal checkpoint, the agency announced Thursday.

The Dragonfly quadcopter will soar through Titan’s hazy skies and roam its dune seas in search of evidence that the distant ...

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MacDanny picks up a NERF Rival Prometheus blaster, and upgrades it with a custom magazine to hold TWO THOUSAND AND FIVE ...