A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

A warm blob of water in the North Atlantic is an ominous sign that a system of currents that regulate the planet's climate ...

A major alteration in the jet stream is expected to send winter-like conditions back into much of the Northeast. A polar vortex shift — normally responsible for bottling up the coldest air — has ...

Colorado could see more frequent and intense temperature swings, in part due to climate change. DENVER — Colorado is no ...

Beijing residents were told to stay home, tourist sites were closed and thousands of flights were canceled across the country ...

Andrew Freedman has been hired by CNN Climate & Weather as a senior reporter. Previously, Freedman served as a senior climate ...

Sustained warm weather has been elusive this spring. When will we feel a change? Lee Goldberg explain in the latest edition of "Weather or Not." ...

The word “supercell” may sound like hype, but they are real thunderstorms with rotating updrafts that can have serious ...