Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so much. The odds that the asteroid could crash into our celestial neighbor ...

After YR4 was first discovered in late-2024, its odds of impact with Earth briefly rose to historically high levels before it was eventually ruled out as a threat during an upcoming flyby. Because the ...

A 300-foot-wide asteroid that had a 3.1% chance of hitting Earth in 2032 is now expected to pass safely by our planet. NASA says the probability of impact is now 0.004%. Rescued NASA astronauts ...