The Pacific Ocean is warming so quickly that scientists had to find a new method for detecting and predicting El Niño and La Niña events.

(CNN) — Runners already face a daunting challenge when they line up at the start of a marathon, but they might increasingly find themselves with another obstacle to reckon with: global warming. A new ...

(CNN) — Scientist Veerabhadran Ramanathan yearned for the American dream while growing up in southern India in the 1960s: specifically, a Chevrolet Impala, a muscle car he learned about from his ...