On Feb. 2, a massive tentacle of plasma snapped apart in the sun's atmosphere before tumbling down, circling the star's north pole at thousands of miles a minute, and then disappearing — leaving ...

Video from NASA telescopes shows a filament on the sun breaking off and swirling around its north pole. A solar physicist called the polar vortex a "scientific curiosity" and hasn't seen anything like ...

NASA scientists spotted a strange polar vortex near the Sun's northern pole. The vortex appears to be part of a huge filament of solar plasma that the space agency says broke away from the Sun's ...

A curious phenomenon where a massive filament of solar plasma broke off the sun's surface and is circling its north pole like a vortex has scientists both puzzled and excited. The images of the ...

You’ve heard of the polar vortex, but how about a solar polar vortex? Scientists and the public alike are in awe over a bizarre video that emerged of a vaporous-looking eddy of solar plasma swirling ...

A huge filament of solar plasma has broken off the sun's surface and is circling its north pole like a vortex of powerful winds, but scientists have no clue what caused it. "Talk about polar vortex!

Midwesterners awoke to frost and freezing temperatures Wednesday as a polar vortex slammed the region. But the arctic deep freeze brought more than just cold weather: it introduced parts of the ...