Space mysteries are usually quite mundane to all ... It's a key gap in our understanding of outer space environments, but it's not going to intrigue any first dates. But there are a few ...

They became gas clouds, and then galaxies. Galaxies formed galaxy clusters. And empty space continued to expand. This was the Big Bang, and it set off the expansion of the universe. Today ...

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...

humans will unveil one of the greatest mysteries of the universe - is there life beyond our planet? Unfortunately Life in Outer Space isn't available to watch right now. Add it to your list and we ...