After a massive glacier collapse in Greenland triggered a mega-tsunami, the entire planet recorded vibrations for nine straight days - much longer than any earthquake. So what actually happened? Scientists think they finally have their answer.
Raging floodwaters have overwhelmed and cut off several towns in Eastern Europe including in the Czech Republic and Poland. Over 10,000 were asked to leave and rescuers were working to evacuate those in need as the situation worsened.
Forecasters at NOAA's Climate Prediction Center say La Niña could form in the coming weeks. La Niña is expected to emerge this fall and last through the winter months.