Scientists disagree whether human-made climate change or natural fluctuations are mostly to blame for worse-than-expected heat in recent years ...

Coral reefs over the past 12,000 years grew best when the ocean temperature was 77 degrees Fahrenheit (25 degrees Celsius), ...

Global warming may be speeding up, with temperatures rising faster since 2015 and recent record-hot years reflecting a steeper climate trend.

Fish are evolving ever smaller in order to survive temperature increases, new research warns. It’s a biological shift that will rob billions of meals from those who rely on fish for protein.

Physical inactivity rises alongside temperature. A study in Lancet projected up to 700,000 additional deaths by 2050 and $3.68 billion in annual productivity losses.

A potentially strong El Niño weather pattern will likely emerge this summer and persist through the rest of the year. The hottest years on record generally occur in years when El Niño is active.

"Without these investments in adaptation, Minnesota could expect to see more than $20 billion in damages every year within ...

Local warming stations anticipate quite a few more people will be seeking overnight shelter this week as the temperatures tumble. And for people who operate those centers, the time to prepare is now.

Insects, animals and other life are often active beneath snowpack, and depend on a microhabitat called the subnivium to survive the cold.

A "super El Niño" could emerge by the end of the 2026 hurricane season, with forecasters predicting that the ongoing La Niña ...