Scientists have discovered a rare object called the Blue Ring Nebula, a ring of hydrogen gas with a star at its center. The properties of this system suggest it is the remnant of two stars meeting ...

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 ...

(Nanowerk News) 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 ...

A head-scratching astronomical anomaly – and a thorn in the side to scientists trying to understand how the universe evolved – could have been explained, with a new theory identifying a missing link ...

The planetary nebula is SDSO1. It shines blue next to the Andromeda Galaxy. A planetary nebula consists of gas and dust emitted by a white dwarf, which is the final stage of a star's evolution. The ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

It took 16 long years, but astronomers have finally solved the puzzle of the mysterious Blue Ring Nebula, according to a new paper published in Nature. First spotted in 2004, the star with an unusual ...