NASA made the first test of its kind two weeks ago to see if in the future a killer rock could be nudged out of Earth's way and the Dart spacecraft carved a crater into the asteroid Dimorphos on September 26, hurling debris out into space.
With rubble from an asteroid tucked inside, a NASA spacecraft fired its engines and began the long journey back to Earth on Monday, leaving the ancient space rock in its rearview mirror.
NASA is sharing sounds of its Ingenuity helicopter humming through the thin Martian air.
Washington: NASA has called for designs of an airship that can fly at altitudes higher than the currrent 65,000-foot limit for weather balloons and for longer than the existing ones.Weather balloons can soar to that
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