The trading sector has seen a huge shift in recent years, driven by the relentless advancement of artificial intelligence (AI). Once a domain dominated by human intuition and experience, trading is ...

A band of fast-spinning stratospheric winds normally keeps Arctic air bottled above the North Pole all winter. But when that circulation, known as the polar vortex, weakens and breaks apart, the cold ...

The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable records show a patchwork of extreme outbreaks rather than a single, weeks-long ...