The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

A new study has greatly expanded the number of gene variants thought to be tied to bipolar disorder. Scientists have ...

New research finds grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

Denver is soldiering through a blast of freezing cold and snow Saturday morning, as winter weather generated by a polar vortex continues to hit the Front Range. National Weather Service ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend and ...

A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts takes aim this weekend. If you thought last week was cold, hold onto your hot lattes and be ...

Leicester's Homebase is to be turned into a The Range Superstore. It comes after the Homebase brand and up to 70 of its stores were bought by CDS Superstores, which owns The Range and Wilko.

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...