A chunk of floating ice that weighs more than a trillion metric tons broke away from the Antarctic Peninsula, producing one of the largest icebergs ever recorded and providing a glimpse of how the Antarctic ice sheet might ultimately start to fall apart.
News Articles:
https://www.nytimes.com/interactive/2017/06/09/climate/antarctica-rift-update.html
https://www.rte.ie/news/world/2017/0712/889654-iceberg-antarctica/