NASA find of an Astroid heading for the Earth = doomsday?

[An astroid impacts the Earth: unknown author]

NASA: National Aeronautics and Space Administration is tracking the asteroid Apophis on its course around our sun. It can be viewed from the Earth in 2029 as it passes our planet (a near miss), and may impact the Earth during its second pass in 2036. For further details please visit the following web site: http://neo.jpl.nasa.gov/apophis/