''We're not prepared for deadly asteroid strike’’ top scientists give scary end of the world warning

USA: Leading astronomers and scientists including physicist Brian Cox have called for more to be done to prevent a deadly asteroid strike.

One hundred well-known names, including astronauts, the Astronomer Royal and rock guitarist Brian May, have called for a 100-fold increase in the discovery and tracking of near-Earth asteroids to 100,000 a year within a decade.