The Crab Nebula is an expanding remnant of a star's supernova explosion. Japanese and Chinese astronomers recorded this violent event nearly 1,000 years ago in 1054 AD, as likely ...
These smudges of color become troves of scientific data. Take for example the Orion Nebula. Forming the middle "star" in Orion's sword, the Orion Nebula is the only nebula visible to the naked eye.
This stunning portrait of a star-forming nebula is a throwback to the birth of our own sun, 4.6 billion years ago. The Rosette Nebula blossoms in deep space, captured in this wonderful image taken ...