These are two examples of how climate scientists manipulate data to generate scary-looking charts. Global warming is real, ...

A global increase in stroke-related death and disability has been linked to extreme temperatures related to climate change, data from a 30-year global study showed. In the first study to assess the ...

Rising greenhouse gases exacerbate cardiovascular mortality in older heart failure patients by increasing extreme temperatures. A U- or J-shaped relationship exists between nonoptimal temperatures and ...

Rapid temperature flips from hot to cold extremes have increased across the world, according to a new study published in Nature Communications. These flips, which may negatively impact ecosystems and ...

The Arctic just experienced its hottest year since record-keeping began more than a century ago, the National Oceanic and Atmospheric Administration announced Wednesday. Rising temperatures in the ...

According to the latest NOAA data, 2025 was Earth’s third-warmest year since records began in 1850. Global average temperatures in 2025 were 1.3°C (2.4°F) above pre-industrial (1850-1900) levels.

Flips between warm temperatures to cold and vice versa have become quicker, more frequent and more intense in recent decades, a new study shows. By Christina Kelso A September heat wave switching into ...