Add Yahoo as a preferred source to see more of our stories on Google. A shot of the spiral-shaped light in the sky above Hawaii captured Jan. 18 by the Subaru-Asahi Star Camera on Mauna Kea. A shot of ...

The clashing galaxies NGC 4568 (bottom) and NGC 4567 (top) as seen by the Gemini North telescope in Hawai‘i A 100-year-old mystery surrounding the "shape-shifting" nature of some galaxies has been ...

Our Milky Way galaxy has an elegant spiral shape with long arms filled with stars, but exactly how it took this form has long puzzled scientists. New observations of another galaxy are shedding light ...

The shapes can seem to appear out of nowhere: an undulating S-like spiral streaking across the European skies or a glowing orb trailing above the North American coast. Such strange light shows have ...

A Texas windmill struck by lightning yesterday made more than a few smoke rings that could rival even Gandalf’s best. One Texas resident captured the flames on video as he was passing by, in 45-second ...