NASA's asteroid-smashing DART spacecraft is set to hit its target on Monday, in a test run for what to do if one ever threatened Earth.
NASA's asteroid-smashing DART spacecraft is set to hit its target on Monday, in a test run for what to do if one ever threatened Earth.
On Monday, NASA’s DART spaceship successfully hit a nonharmful asteroid as a part of the space agency’s planetary defense..
A NASA spacecraft named DART rammed an asteroid at a blistering 22,500 km/h in an unprecedented dress rehearsal for the day a..