The chances of a giant space rock striking the Earth have decreased, but NASA and other space agencies are still devising a plan to obliterate it.Asteroid 2024 YR4, a recently discovered planetoid, now has a 1.5% probability of making impact with Earth, according to NASA.Even though the new probability is down from the previously reported 2.6%, and above the initial 1% chance in late January, international agencies are plotting a way to destroy the terrestrial chunk, if need be.STADIUM-SIZED ASTEROID DEEMED 'POTENTIALLY HAZARDOUS' BY NASA EXPECTED TO MOVE 'RELATIVELY CLOSE' TO EARTH"No one is panicking, but it definitely what we’re