Tens of thousands of fish have died off northwestern Australia, as a large and long-lasting marine heat wave intensifies.

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Healthcare workers in Rio de Janeiro are trying to protect the city’s most vulnerable residents from the potentially deadly ...

Communities and firefighters across Australia's second-most populous state were preparing Thursday for potentially devastating wild fires as a heat wave fanned by erratic winds presented the worst ...

Bolivia and Chile are in talks to restart gas exports to Argentina amid a surge in demand spurred by a summer heat wave, ...

Data from climate sensors installed around Boston indicated dangerously high heat and humidity in some places even before ...