But, with a boom in commercial space tourism thanks to the likes of Elon Musk's SpaceX, Jeff Bezos' Blue Origin, and Virgin ...

The countdown is on for an all-female crew, headlined by singer Katy Perry, to blast off to space on a Blue Origin rocket on ...

Just gravity. Breaking space news, the latest updates on rocket launches, skywatching events and more! To test this hypothesis, the team created an exceptionally simple simulated galaxy.