I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high. As ...

"By the time the astrometry reached the impact monitoring systems, the impact had already happened." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

When scientists spot an asteroid whose trajectory might take it close to Earth, they monitor it frequently and calculate the probability that it might collide with our planet.