Earlier this year, researchers at NASA released an image of “sibling” galaxies “fighting” amongst themselves. It was a stunning image, as well as a reminder to call your siblings—or perhaps star in a ...

Scientists have spotted a pair of strange cosmic structures about a billion light-years away that have been dubbed "Dancing Ghosts" due to their unusual appearance. The ghostly features are the result ...

Astronomers have spotted the outline of what appear to be two ghostly figures dancing among the stars. Located about a billion light-years from Earth, the structures, formally named PKS 2130-538, have ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Ray Norris, Professor, School of Science, Western ...

Scanning through data fresh off the telescope, we saw two ghosts dancing deep in the cosmos. We had never seen anything like it before, and we had no idea what they were. Several weeks later, we had ...

Ray Norris does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...