The comet PANSTARRS may be visible in the western sky later this week. Here's a skymap of where to look, say, this weekend:

But there's more!
The Comet ISON will be grazing the Sun in a few months, . . . and could be spectacular sometime before Christmas, . . . also in the western sky shortly after sunset.

"And now, . . . I bring you a warning: Everyone of you listening to my voice, . . . Watch the skies. Everywhere. Keep looking. Keep watching the skies." ___Ned "Scotty" Scott, The Thing From Another World [1951]
Ref: UniverseToday

But there's more!
The Comet ISON will be grazing the Sun in a few months, . . . and could be spectacular sometime before Christmas, . . . also in the western sky shortly after sunset.

"And now, . . . I bring you a warning: Everyone of you listening to my voice, . . . Watch the skies. Everywhere. Keep looking. Keep watching the skies." ___Ned "Scotty" Scott, The Thing From Another World [1951]
Ref: UniverseToday