Nasa has successfully sent a laser signal about 290 million miles, smashing previous records and potentially transforming our ...
The European Space Agency’s Hera spacecraft rocketed away on a two-year journey to the small, harmless asteroid rammed by NASA two years ago.
Two years ago, the European Space Agency's probe was launched to examine the progress of the so-called Earth defense experiment, which changes the orbit of an asteroid by colliding a spacecraft with ...