Drexel researchers have developed technology to help eliminate a chemical compound, originally used in nonstick pans, waterproofing and fire fighting foam, that has become a persistent contaminant in ...

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 ...

For a few days, it sounded like a scene from a disaster movie: a “piece” of the sun appeared to shear away from its surface and whirl around the north pole, leaving even seasoned solar physicists ...

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!

The high-energy radiation that carries orbit angular momentum has become an extremely important tool to investigate the angular momentum-related physics in the microworld. But the generation and ...

The high energy radiation that carry the orbit angular momentum has become an extremely important tool to investigate the angular momentum related physics in microworld. But the generation and ...