A joint Japanese-European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the permanently shadowed craters at Mercury's north pole.

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some parts of the U.S. hit by the plunging polar vortex this week began to shake off its icy effects.

The BepiColombo spacecraft captured the photographs during its last flyby of Mercury, a maneuver necessary to propel the mission into orbit around the planet

Another blast of winter storms is closing schools, snarling flights and putting millions of residents on alert across parts of the Deep South and south-central U.S. The National Weather Service

However, various annual holiday events, such as the Tennessee Valley Railroad Museum's North Pole Limited, do draw some visitors. Spring is another attractive season, with temperatures becoming ...

Snow and ice across the U.S. South are expected to relinquish their grip only slowly as the weekend continues.

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures ... North Carolina, Tennessee, and West Virginia through Saturday, the National Weather Service ...

Dozens of US states will endure the lowest temperatures they have felt in years next week as a polar vortex brings 'life-threatening' cold. Here's how you can stay safe in these harsh conditions.

Decatur Post Limestone County – All state and federal roads have been graded and/or salted and have some slick spots. ALDOT is treating. All county roads are impassable. The Tennessee River bridge is passable Morgan County – All state and federal roads have been graded and/or salted and have some slick spots.