In 2004, scientists with NASA’s Galaxy Evolution Explorer spotted an object unlike any they’d seen in our Milky Way Galaxy: a large, faint blob of gas that seemed to have a star at its center. In the ...

In 2004, the Galaxy Evolution Explorer, an orbiting space telescope scanning distant groups of galaxies, found a bizarre object. Among other oddities, this body appeared to be blue, despite giving off ...

Add Yahoo as a preferred source to see more of our stories on Google. A small bright blue point in the center is surrounded by exploding gas, hued red then diminishing to green before fading into the ...

We've known about the iconic Ring Nebula for nearly 250 years, but it's only now that astronomers have found a giant mystery right at its core. There, stretching across the heart of the cloud of ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...