WATCH: Tropical Cyclone Marcus marauding through the Indian Ocean, as seen in this beautiful satellite video

After strengthening into the year’s first Category 5 storm, Tropical Cyclone Marcus has weakened. At it strongest, the storm attained maximum sustained winds of 185 miles per hour as it swirled off the northwestern coast of Australia on Wednesday.

New research documents a counterintuitive impact of global warming: sea-ice hazards to shipping

Human-caused warming is popping the frozen corks that normally bottle up thick sea ice in the Arctic Ocean, allowing it to pour south Ships plying the North Atlantic Ocean in spring are facing increased hazards from floating Arctic sea ice as a result of ...