Images of the Apophis asteroid are currently being streamed live on Slooh.com.
There is a one in 25,000 chance the asteroid could hit the Earth in 2013.
More top news
The NHS is to set up 11 centres to unlock the secrets of DNA and help develop tests and drugs to target cancer and rare genetic diseases.
Australian businessman named as Alan Sugar's newest apprentice and winner of a £250,000 investment in his fledgling company.
The 270 victims of the Lockerbie bombing have been remembered today, 26 years to the day that they lost their lives in the air disaster.