Watch potential 'city-killer' asteroid 2024 YR4

Astronomers will have more information later this spring about the asteroid's path and its likelihood of hitting Earth.
YR4 has a 2.2% chance of striking Earth in seven years, but recent updates keep pushing the odds in the wrong direction.
The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...
Chinese defence agency recruits space researchers following discovery of large asteroid with a 2.2 per cent chance of striking Earth in 2032.
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.
A 1-in-83 chance of an impact represented a 1.2% chance of an impact. That meant there was a 98.8% that 2024 YR4 would miss ...