An asteroid called 2011 currently beyond the orbit of Mars, could pass close to Earth in the year say scientists. Could it hit us? NASA says the odds are very low, but until they know more, they cannot say the chance is zero.
An asteroid has come within an incredible miles of the Earth - making the closest known flyby for a rock of its size. A simulation of asteroid 2012 approaching from the south as it passes through the Earth-moon system (AP/NASA/JPL-Caltech)