Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes rush to track its course.

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

A potentially dangerous asteroid is being closely monitored by NASA with there being a small chance of it hitting Earth in 2032 - and a harrowing simulation has shown what could happen if it came plummeting into us.