The Met Office says there is no sign of a polar vortex directly hitting the UK, though El Niño and changes in the vortex could influence winter weather.

The sky may seem like a huge open playground for airplanes to fly without speed limits in any direction they wish. In reality, planes adhere to certain rules and follow fixed flight paths, much like ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the massive current of Arctic air that regulates weather for much of the Northern ...