The large asteroid Apophis, which will skirt Earth in 2029, has its trajectory modified Almost everyone has heard of Apophis, the asteroid roughly the size of the Eiffel Tower that will pass ...

However, as with Apophis, astronomers expected the risk for 2024 YR4 to spike and then fall to zero as they obtained more observational data to reduce uncertainties about the asteroid’s path.

If you've been losing sleep at night over a certain threatening asteroid dominating the news ... first spotted it late last year on a trajectory bringing it uncomfortably close to Earth in 2032.

However, as with Apophis, astronomers expected the risk for 2024 YR4 to spike and then fall to zero as they obtained more observational data to reduce uncertainties about the asteroid’s path.