Chicago drivers were girding this week for yet more delays from the seemingly endless Kennedy Expressway construction project, after the briefest of winter pauses. But for a little perspective as you ...

The simple answer is, it’s an exceptionally versatile rocket fuel. Some formulations of it are used as a hypergolic propellant, which means it will ignite immediately when combined with an ...

Unlike earlier Chinese rockets, which use toxic, hypergolic propellants, these are mainly fueled by liquid hydrogen and kerosene, respectively. The Long March 5B was used to launch the modules for ...

SpaceX said Monday that last month's Starship explosion was brought on by a cascading series of events caused by propellant leaks — a problem the company ...

A propellant leak was to blame for the upper stage of a Falcon 9 rocket crashing to Earth over Europe last week, SpaceX says. The Falcon 9 launched on Feb. 1 from California, carrying 22 Starlink ...

Chinese space authorities said they had made a number of technological breakthroughs to “massively increase the payload capacity of solid-propellant rockets”.