Astronauts aboard the ISS reportedly took precautionary shelter measures after repair work on Russia’s long-troubled Zvezda module raised fresh concerns about air leaks. The Latest Tech News, Delivere ...

Fractures in a Zvezda service module had been an ongoing concern, said Nasa, as it prepares to replace the ISS in coming ...

If you’ve watched a Saturn V launch, you’ve probably seen how a large rocket will often jettison a stage on the way up. There are several reasons for this — there is no reason to haul an empty fuel ...