How to sail faster than the wind

The yacht Vestas Sailrocket 2 has shown that, when it comes to breaking speed records, clever design and cunning technique are more important than strong winds

World’s cities experiencing more heatwaves, study shows

Number of extremely hot days a year has increased in hundreds of cities since the 1970s years, with frequencies peaking in the last five years

The weather bomb, the polar vortex, #snowvember: will the storm of extreme weather names ever end?

It used to be that only hurricanes and typhoons were entitled to them, but now barely a day’s forecast goes by without another catchy monicker being coined