Much-feared asteroid Apophis won't hit Earth for at least 100 years, Nasa says

Chunk of space rock was once the poster child for hazardous asteroids' but it will be a while before humans need to worry about it again

Nasa has given Earth the all clear on the chances of an asteroid called Apophis hitting our planet any time in the next century, having worried space scientists for over 15 years.

The 340-metre (1,100ft) chunk of space rock hit the headlines in 2004 after its discovery led to some worrying forecasts about its orbit. It became a poster child for hazardous asteroids", according to one Nasa expert.