Live coverage: Space station crew investigating slow pressure leak

It will take less than 10 minutes for a Long March 2F rocket to send two astronauts inside the Shenzhou 11 space capsule on course toward a docking with China’s Tiangong 2 space lab.

A SpaceX Dragon cargo ship caught up with the International Space Station early Monday and then stood by while Canadian astronaut David Saint-Jacques, operating the lab’s robot arm, locked onto the spacecraft to wrap up a two-day rendezvous.

Physicists are gearing up to send a re-engineered science instrument originally designed for lofty balloon flights high in Earth’s atmosphere to the International Space Station next week to broaden their knowledge of cosmic rays, subatomic particles traveling on intergalactic routes that could hold the key to unlocking mysteries about supernovas, black holes, pulsars and dark matter.