The city-killer asteroid's Moon impact risk has almost more than doubled, according to new NASA reports. Here's what we know.

A team of astronomers has determined the shape of asteroid 2024 YR4 ... it was dubbed a potential "city killer" because it was large enough to wipe out a major city. While unlikely, a lunar ...

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. Asteroid 2024 YR4 ...

YR4 is around 130-300 feet across, according to NASA estimates and could cause massive damage if it hits the Earth ...

A 'city-destroying' asteroid expected to come perilously close to Earth is much bigger than previously thought, scientists have announced. Space agencies had initially estimated that large space ...

Subsequent observations of the rock reduced the threat to virtually zero. But new direct observations of the asteroid by Nasa’s James Webb Space Telescope suggest a nearly 4 per cent chance of ...

According to the latest data from the James Webb telescope, the asteroid is believed to be 174-220 feet across. If it had hit the Earth, the energy released at its impact would have been similar to a ...

Astronomers have gotten a glimpse of the "city-killer" asteroid before it disappears until 2028, according to NASA. The space rock, called 2024 YR4, was previously given up to a 3.1% chance of ...