An asteroid known as 2024 YR4 won't be crashing into Earth, but the James Webb Space Telescope went to get a look at it anyway. Here's what it found.

Late last year, a newly discovered asteroid caused quite a stir when initial observations revealed a greater than 1% chance that it would strike the Earth in 2032. The medium-sized asteroid, dubbed 2024 YR4,

A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still has a chance of smashing into the moon.