Hard on the heels of a bone-dry spring and an even hotter June, the third heatwave of the summer is upon us, and it looks to be the longest yet. We are lucky. In 2025, heatwaves are still news, but ...

Email: [email protected] The third heatwave of the summer is set to peak on Saturday, forecasters have  said, ...

The Mediterranean Sea is witnessing a record marine heatwave, with temperatures soaring 8°C above normal. Scientists link the ...

Ningaloo and some remote northern reefs had largely escaped the worst effects of coral bleaching – but now a severe marine heatwave is taking its toll.

Maths Professor Hannah Fry has turned heatwave explainer in recent weeks, sharing videos with her fans on Instagram. In her ...

Ningaloo and some remote northern reefs had largely escaped the worst effects of coral bleaching – but now a severe marine ...

To avoid the killer high temperatures of up to 55C, the majority of this town's 2,500 residents now live underground.

Locals hoping to make the most of the hot weather by heading to the beach were left spooked after they found tens of sea ...

Rayasi joins a backline filled with power and pace, featuring Jiuta Wainiqolo and Kalaveti Ravouvou on the wings, Joshua ...

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

The government wants to host the 2026 COP summit in Adelaide. It should pay attention to the climate disaster unfolding there ...

Thank God for the Guardian website. Without it I would never have known that I have been marching through a killer heatwave.