The East Coast braces for an arctic blast next week as a polar vortex threatens extreme cold and winter storms.
Read moreA polar vortex is set to bring below-average temperatures and severe weather across the U.S., impacting states as far south as Texas.
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.
Read moreExperts highlight interconnected global threats for 2025, including economic competition, climate change, and geopolitical risks.
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