In Six Perspectives on Why the Zombie Apocalypse Is So Popular, TJ Dawe pulls together from various websites their intake on why zombies now dominate movies, television, books, and video games. Some of these are quite insightful.
Here's How Apocalyptic Fiction Has Changed Over the Century shows how writers have ended the world over the past one hundred years. I find it interesting that the two most popular ways were technology in the 1900s and 1920s and, beginning in the 1930s, war. Note the wave of eco-apocalyptic events in the 1960s.
One of my favorite movies is John Carpenter's The Thing (1981), so I guess it's only natural that I'd post Ten reasons why The Thing is the best movie ever made.