Despite the idea being rather frightening, there are currently no known NEOs set to impact the Earth.

On the 2nd of March 2009, an asteroid called 2009 DD45 flew close to Earth, just two days after its discovery.

A quick look at the idea of a cable joining Earth with space, including the potential benefits and drawbacks.

Ordinarily, the answer is no. But although sound cannot travel in a vacuum, there are conditions in space that allow sound to carry.

Stephen P. Maran's Astronomy For Dummies is an excellent reference for those interested in taking up stargazing.