The 2009 Hugo Awards were presented at the 2009 Worldcon in Montreal this past weekend. Winners included:
The Graveyard Book by Neil Gaiman - best novel
"The Erdmann Nexus" by Nancy Kress - best novella (Asimov's Science Fiction Magazine)
"Shoggoths in Bloom" by Elizabeth Bear - best novelette (Asimov's Science Fiction Magazine)
"Exhalation" by Ted Chiang - best short story (Eclipse Two anthology)
You can read about these and the winners in all the other categories at the official Hugo Awards web site.
You can also see a list of past Hugo Winners on the BookGuide web site!