In the summer of 2014, some people stumbled across bizarre 30-meter-wide (100 feet) craters in the middle of Yamal Peninsula in Siberia, Russia.
The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.All sorts of theories about their formation have flown around over the past two years, from asteroids to – inevitably – UFOs. However, the reality is perhaps even more startling. Scientist now think climate changed caused this freak geological blip.
Check out all the details in this video by Business Insider.




