Live coverage: Space station crew investigating slow pressure leak

In nearly five years on the job as Boeing’s Space Launch System program manager, John Shannon has presided over the completion of the first SLS core stage inside a cavernous factory in New Orleans.

A NASA instrument built to help astronomers learn about the structure and behavior of neutron stars, super-dense stellar skeletons left behind by massive explosions, has been mounted to an observation post outside the International Space Station after delivery aboard a SpaceX supply ship earlier this month.

A Soyuz rocket decorated to mark the 75th anniversary of the end of World War II in Europe fired into space Friday from the Baikonur Cosmodrome in Kazakhstan, sending a Progress supply ship on a fast-track, three-hour pursuit of the International Space Station.