Add Yahoo as a preferred source to see more of our stories on Google. Virgin Galactic's VSS Unity space plane lights its rocket motor during the Galactic 06 suborbital mission, which launched on Jan.

Virgin Galactic is grounded after the company said a small part unintentionally detached from the mothership of its rocket-powered space plane on its latest space tourism flight. The loss of the part, ...

'At no time did the detached alignment pin pose a safety impact to the vehicles or the crew on board.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...