Young people underestimate how worried older people are about climate change, according to new research, which finds that a better understanding of generational differences could lead to more effective collective action in addressing the consequences... [3408 chars]

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — Were dinosaurs warm-blooded like birds and mammals or cold-blooded like reptiles? It’s one of paleo... [5913 chars]

Warm-bloodedness may have first arisen in dinosaurs some 180 million years ago. Dinosaurs were once thought to have been cold-blooded like their modern-day reptilian cousins. Recent findings suggest that some species of dinosaur had indeed evolved to... [6153 chars]

Last summer's sweltering heat broke more than city or regional or even national records. In what they call an "alarming finding," scientists say that in the Northern Hemisphere, the summer of 2023 was the hottest in 2,000 years. Global data already s... [4627 chars]

Last summer, as wildfires swept across the Mediterranean, roads buckled in Texas and heatwaves strained power grids in China, it was not just the warmest summer on record, but the hottest one in some 2,000 years, new research has found. European scie... [2050 chars]

When Pune experienced intense heat this summer, forcing many people to switch on their air conditioners, architect Rohan Nahar and his team needed nothing more than a fan three hours a day. The office of Nahar’s startup, an architecture practice call... [4109 chars]

Fifty countries are meeting in France on Tuesday to discuss the lack of access to clean cooking methods worldwide which causes millions of deaths every year and fuels global warming. Some 2.3 billion people across 128 countries breathe in harmful smo... [2974 chars]

The weekend spectacle of “northern lights" across a vast patch of the northern hemisphere, with its colours caught vividly by smartphone cameras, was truly extraordinary. The last such event was about two decades ago. It posed a minor threat to sat-c... [935 chars]

On the dark volcanic soil of Iceland, looming conspicuously is a nondescript plant that its creators hope may be the key to holding back global warming. It's not much to look at – a series of fan-like units stacked one on top of each other, a large a... [9561 chars]

It’s mid-afternoon along Medellín’s Avenida Oriental, a traffic-clogged road that scythes through the heart of the second-largest Colombian city. Nicolas Pineda is crouched on his haunches as cars zoom by on both sides. Wrapped in heavy-duty workwear... [8912 chars]