The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays may not be as dangerous as once thought, a new study suggests. At the heart of the pinwheel lies a pair ...

Astronomers have uncovered a new mystery surrounding a pinwheel-shaped star system—while, fortunately, revealing it is not likely to live up to its "death star" reputation. Located approximately 8,000 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays ...