Live coverage: SpaceX supply ship returns to Earth

The U.S. military’s highest capacity communications satellite ever built was successfully launched into space tonight, departing Cape Canaveral aboard a United Launch Alliance Delta 4 rocket at 6:53 p.m. EST (2353 GMT).

An atmospheric test model of Sierra Nevada’s Dream Chaser space plane is being readied for tow and landing tests at NASA’s Armstrong Flight Research Center in California this spring.

In a rapid-fire crew rotation, a Russian cosmonaut, a NASA astronaut and an Italian flier plan to close out a 139-day mission aboard the International Space Station with a fiery plunge back to the frigid steppe of Kazakhstan aboard their Soyuz MS-05 spacecraft early Thursday.