The James Webb Space Telescope (JWST) is a large, complex observatory that studies the universe in infrared light, which is ...

When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese ...

Now, astronomers using the Keck Cosmic Web Imager, or KCWI, at the W. M. Keck Observatory in Hawaii have mapped a sphere of strange filaments extending away from where the star exploded.

The supernova that caused the nebula was recorded by Japanese and Chinese astronomers in the 12th century. Now, we know exactly what the aftermath looks like.

And the more clarity researchers have about the structure of the filaments, the more likely they are to uncover what formed the cosmic dandelion in the first place. When a supernova was seen ...