Video: X-37B payload mated to Atlas 5

NASA has delayed the award of new contracts for cargo transportation services between Earth and the International Space Station, and eliminated an uncrewed version of Boeing’s human-rated CST-100 Starliner capsule from the competition, officials said Thursday.

Ziplines are used by thrill-seekers in adventures around the world, but now they are coming to the U.S. space program as the emergency escape system for personnel at Cape Canaveral’s Complex 41.

Weather forecasters expect a 70 percent chance of favorable conditions at Cape Canaveral for liftoff of a United Launch Alliance Delta 4 rocket Thursday with a GPS navigation satellite, marking the last flight of the Delta 4’s single-core variant after 29 flights since 2002.