Halloween in the Sky - Menacing flying forms garish colors.stand out in this cosmic close-up of the eastern Veil Nebula.a large supernova remnant, the expanding debris cloud from the death explosion of a massive star in the constellation Cygnus.
A unique NASA/ESA Hubble Space Telescope view of the disk galaxy NGC 5866 tilted nearly edge-on to our line-of-sight. Hubble's sharp vision reveals a crisp dust lane dividing the galaxy into two halves.
An active region on the sun emitted a mid-level solar flare, peaking at a. EST on Nov. This is the second mid-level flare from the same active region, labeled AR which rotated over the left limb of the sun on Nov.
A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world. The eruption, which is classified as a gamma-ray burst, or GRB, and designated GRB produced the highest-energy light ever.