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US suffers record-breaking cold: What's going on with the polar vortex?
By Patrick Pester published
A winter storm is hitting the U.S. with record-breaking cold and heavy snow. Is the polar vortex to blame?

'Stay off the roads': Winter storm warning as deadly floods strike Kentucky
By Patrick Pester published
Kentucky is battling devastating floods after another powerful winter storm hit the eastern U.S. over the weekend, leaving at least 10 people dead.

How accurate are Punxsutawney Phil's Groundhog Day forecasts?
By Live Science Staff last updated
The rodent has been predicting the start of spring since 1887. But how good is Phil at his prognostications?

'We are creating the fire equivalent of an ice age': Humans have plunged Earth into the 'Pyrocene'
By Stephen Pyne published
Humans have become a geologic force by cooking the planet — using fire on a scale that is altering land, water, air and ecosystems.

Explosive 'bomb cyclone' descending on UK and Ireland with up to 100 mph winds
By Patrick Pester published
Storm Éowyn is about to hit the U.K. and Ireland as forecasters warn the explosive "bomb cyclone" will bring snow, rain and potentially deadly superfast winds.

Florida's snowfall record smashed as historic storm blasts Gulf Coast
By Patrick Pester published
A historic winter snowstorm has reached the Gulf Coast, smothering the region in Arctic air and dropping record-breaking amounts of snow on northern Florida.

What's in pink fire retardant being dropped on LA, and is it dangerous?
By Patrick Pester published
Parts of Southern California are covered with pink fire retardant as firefighters try to control deadly wildfires raging in Los Angeles. But what is Phos-Chek fire retardant and is it safe?

'Unusual' and weak La Niña finally here, NOAA confirms
By Patrick Pester published
NOAA has declared that a La Niña is underway. This cool weather event is likely to be shorter and weaker than usual, but will still affect global weather and climate.
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