Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

Groundbreaking research into Mars' energy balance reveals a polar surplus driving dynamic weather patterns, including massive ...

Donald Trump was sworn in as the 47th president Monday, promising a “revolution of common sense” and taking charge as Republicans assume unified control of Washington and set out to reshape the ...

Make sure to pack on some extra thick layers this week, because a bitterly cold Arctic outbreak is set to bring some of the ...

Locals call it the "little red dot," after its diminutive proportions on world maps, but Singapore punches above its weight ...

NASA's Jet Propulsion Laboratory in Southern California has come through the L.A. fires in one piece. It will open next week ...

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

NEW ORLEANS — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...