Add Yahoo as a preferred source to see more of our stories on Google. Earlier this year, researchers at NASA released an image of “sibling” galaxies “fighting” amongst themselves. It was a stunning ...

Australian astronomers have discovered a cloud of electrons floating in space that appears to look like two ghosts dancing in the cosmos. Ray Norris, astronomer and professor at the School of Science ...

It's quick and easy to access Live Science Plus, simply enter your email below. We'll send you a confirmation and sign you up for our daily newsletter, keeping you up to date with the latest science ...

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 ...