This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

An art installation featuring 30 laser beams in primary colors will shine from the top of the Space Needle Friday night.

The other small bright bluish ball visible to the left of center in the image is known as Abell 6. This small planetary nebula, like others like it, was formed by gases in the outer layers of a ...