Live coverage: Soyuz crew returns to Earth

A commercial Northrop Grumman Cygnus supply ship berthed at the International Space Station fired its main engine for 50 seconds Tuesday in a test of the spacecraft’s ability to reboost, and possibly eventually deorbit, the massive research outpost.

Japan’s fifth HTV cargo freighter completed a five-day flight to the International Space Station on Monday, making a glacial laser-guided approach to the complex with a 9,500-pound package of food, spare parts and experiments.

SpaceX is preparing for the next launch of a Falcon 9 rocket, set for blastoff from the Kennedy Space Center in Florida with the EchoStar 23 television broadcast satellite destined to cover Brazil. The rocket’s static fire test, a major milestone in any SpaceX launch campaign, was performed Thursday.