NASA flags an asteroid, the odds shift, and better tracking usually turns worry into a clean miss. The system improves each ...

Asteroid 2024 YR4 made headlines earlier this year when its probability of impacting Earth in 2032 rose as high as 3%. While an Earth impact has now been ruled out, the asteroid's story continues. The ...

Time to breathe a sigh of relief. The asteroid that once posed the greatest impact risk to Earth in recorded history now has an effective 0% chance of striking our planet. The probability of asteroid ...

After YR4 was first discovered in late-2024, its odds of impact with Earth briefly rose to historically high levels before it was eventually ruled out as a threat during an upcoming flyby. Because the ...