Asteroid 2024 YR4 is making headlines with a rising 3.1% chance of colliding with Earth on December 22, 2032. This 'city-killer' could wreak havoc on densely populated areas, making it one of the most significant threats in modern forecasting.

• Increasing Odds: The odds of impact have now surpassed those of the infamous Apophis.
• Global Risk: The risk corridor spans multiple continents, raising concerns worldwide.
• Nasa's Focus: A NASA telescope is set to provide closer observation of this looming threat.

Here's the full scoop.