
Articles by Stephen Clark







Live coverage: SpaceX launches previously-flown rocket
A SpaceX Falcon 9 rocket, powered by a previously-flown booster, lifted off from NASA’s Kennedy Space Center in Florida at 6:27 p.m. EDT (2227 GMT) Thursday. The mission, which lofted the SES 10 communications satellite, marks the first time SpaceX has reused the first stage of one of its Falcon 9 launchers.

SpaceX ready to put rocket reuse vision to the test
A Falcon 9 booster that flew into space last year is set to launch again Thursday from Florida’s Space Coast with an SES communications satellite on a historic mission that could make major strides in validating SpaceX’s audacious goal of recovering and reusing launchers, an achievement the company says will revolutionize the rocket business. Liftoff is set for 6:27 p.m. EDT (2227 GMT).


InSight lander’s troubled seismometer passes major test
A balky interplanetary seismic instrument that ran into technical problems in 2015, forcing a two-year delay in the launch of NASA’s InSight lander to Mars, cleared a major test last week after engineers redesigned part of the sensor package, boosting confidence that the mission will be ready to blast off in May 2018.