"Every time we thought we had this thing figured out, something would tell us 'No, that's not right.'" For the past 16 years, a cosmic conundrum has puzzled astronomers. What caused the unusual Blue ...

Astronomers have solved the 16-year-old mystery surrounding the Blue Ring Nebula - an unusual, large, faint blob of gas with a star at its center. This object is unlike any they'd ever seen before in ...

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 ...

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 ...

Gillan plays cranky villain Nebula in “Guardians of the Galaxy Vol. 2.” “I feel like I’m a walking Scottish stereotype,” Karen Gillan says with a lilt, sitting in a Manhattan hotel bar, sipping a ...

One of the better aspects of “Guardians of the Galaxy Vol. 2” is how it brings back characters from the first “Guardians of the Galaxy,” fleshing them out with a deeper dive into their personalities.

This week’s naked-eye object is the Lagoon Nebula in Sagittarius. To find it, look 5.5° west of magnitude 2.8 Kaus Borealis (Lambda [λ] Sagittarii). Around 1680, English astronomer John Flamsteed ...