An asteroid could hit Earth in 7 years. Here's how astronomers are tracking it
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...
Why the Odds of an Asteroid Striking Earth in 2032 Keep Going Up (and Down)
NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.