The Geminid Meteors will be peaking Thursday & Friday this week. With clear skies, they should make some great viewing. See: http://www.spaceweather.com/
But spaceweather.com always keeps us abreast of a scary aspect of our solar system, Near Earth Asteroids, or Potentially Hazardous Asteroids.
One is currently passing harmlessly by (luckily). It reminds us how fragile our existence in the universe is.
I know it sounds like a Bruce Willis movie, but these are for real.
The bottom of the spaceweather.com page always shows recent NEA's.