A giant crater in Siberia, Russia, is expanding due to climate change.... The Batagaika crater, dubbed the' Gateway to Hell,' has become so large that it is now visible from space. Scientists report that the crater, which spans 200 acres and is nearly 300 feet deep, is rapidly growing, posing challenges for the local environment. Recent studies indicate that the crater's size has been increasing by about one million cubic meters annually. The Batagaika crater originated in the 1960s when meltin