<span style="color: #222222;">The American space agency, NASA announced the results of its Double Asteroid Redirection Test (DART) mission on Tuesday. Terming the test successful, the agency said, the DART spacecraft that deliberately crashed into an asteroid last month succeeded in changing the asteroid's motion in Space.<br />''<br />''DART is a spacecraft designed to impact an asteroid as a test of the technology. DART's target asteroid is not a threat to Earth.<br />''<br />''NASA's  Chief, Bill Nelson in a statement said that this was the first time humanity has altered the motion of a celestial body.</span><br />