Asteroids

 NY Times: Two Killer Asteroids Are Flying by Earth, and You May Be Able to See One - The smaller of the pair was spotted only this month and could be visible with binoculars as it passes by our planet within the distance to the moon. By Robin George Andrews - Robin George Andrews recently wrote for The Times about a comet fragment exploding over Spain and Portugal.

Both have a zero percent chance of impacting Earth. And, depending on where you are in the world, you may even be able to see one of them.