There'll be a live news conference on NASA TV tomorrow (Thursday) at 11:00am Pacific / 1:00pm Central / 2:00pm East Coast time entitled, "News Conference on Astrobiology Discovery; Science Journal Has Embargoed Details Until 2 p.m. EST On Dec. 2."
Click the image to see more of Wayne Barlowe's Darwin IV aliens from his fantastic book, Expedition.
More info on the NASA website.
Did you read James Gunn's The Listeners? I'm just sayin'.