Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

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 ...