A nebula is formed from the dying star's outer ... (SMA), which is a group of eight radio telescopes on an inactive volcano ...

The striking, hour-glass-shaped nebula seen in the new image was forged from the centuries-long interaction between its two distinct occupants: a compact, largely unchanging white dwarf and its ...

We are staring "right down the barrel of it, which is really quite surprising to me — we're just lucky." One of the most photographed objects in the night sky is the Ring Nebula, wreckage of a ...