WASHINGTON-An asteroid that could level a city now has a 3.1 per cent chance of striking Earth in 2032, according to Nasa data released on Feb 18, making it the most threatening space rock ever ...

An asteroid that's big enough to wipe out a city has a 1-in-43 chance of hitting our planet in the year 2032. But according to new calculations, there's an even smaller chance that it might crash ...

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released on Tuesday, making it the most threatening space rock ever recorded by ...