The Necklace Nebula, formed by two doomed stars, glows with bright gas clumps like a cosmic diamond ring. Located 15,000 light-years away in the Sagitta constellation, it shines as a stunning ...

At night, Mars shines a bright crimson-gold in the sky ... deep-space star-forming regions like nebulae aren't usually the first things that come to mind. However, in favorable light conditions ...