Why some meteorologists don't like the term 'super El Niño,' why climate change can lead to El Niño surprises, and more.

Global warming is causing rivers to slowly lose oxygen, threatening fish and other lives in the waterways, a new study shows.

Berkshire Hathaway more than tripled the size of its investment in Google’s parent company and bought over $2.6 billion worth ...

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California is tightening regulations on high-speed e-bikes, classifying vehicles exceeding 20 mph as motorcycles and pursuing ...