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NASA’s new hopping rover

Meet Hedgehog, a new spacecraft designed by NASA to navigate the rough terrain on comets and other objects in space.MORE

Watch a tornado on the sun

NASA’s Solar Dynamics Observatory captured stunning images of a swirling plasma mass above the surface of the sun.MORE

EXCLUSIVE: Inside a U.S. spy plane

Chief National Security Correspondent Jim Sciutto gets an exclusive look inside a P8 Poseidon surveillance aircraft on an active mission.MORE

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