The James Webb Space Telescope has taken another look at the potential "city-killer" asteroid 2024 YR4 and found its chances of hitting the moon in December 2032 have increased to 4.3%.

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 ...

NASA has continuously been monitoring 2024 YR4 since it was first reported on Dec. 27 by the Asteroid Terrestrial-impact Last ...

The asteroid, about the size of a 10-story building, has a 4.3% chance of lunar impact, according to NASA's James Webb Space ...

An asteroid that, until a few months ago, was believed to be a threat to Earth is increasingly looking like it could crash ...

YR4 is a tailor-made asteroid for planetary defense efforts — it has everything it takes to get our attention." ...

NASA’s James Webb Space Telescope has provided a new update on asteroid 2024 YR4, revealing important findings that refine ...

After months of tracking and refining Asteroid 2024 YR4's orbit, NASA scientists were able to rule out an Earth strike. There ...

By February 2024, NASA had ruled out any Earth strike. The updated odds dropped to near zero, and 2024 YR4 was officially ...

Observations from the James Webb Space Telescope reveal that asteroid 2024 YR4, initially a potential threat to Earth, now ...

YR4, which previously posed the highest impact risk to Earth ever recorded, has now been assessed a slightly higher chance of ...