A polar vortex is set to bring below-average temperatures and severe weather across the U.S., impacting states as far south as Texas.
Read morePuerto Rico endures extensive power outage due to a grid failure, impacting nearly all residents as recovery efforts begin.
Read moreA look back at global affairs in 2024 and predictions for key events in 2025, including crises in Ukraine and the Israel-Palestine conflict.
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