Gallery: Antares rocket explodes

Racing against the clock to meet the Trump administration’s 2024 deadline to land astronauts on the moon, NASA plans to select Northrop Grumman to build a pressurized habitation module derived from the company’s Cygnus cargo craft for living quarters for crews transiting to and from the lunar surface.

A logistics-delivery vessel for the International Space Station, launched and operated privately by commercial companies on behalf of NASA, is scheduled to arrive at the lab complex Saturday at 6:05 a.m. EDT (1005 GMT).

Orbital Sciences Corp. plans to select a long-term propulsion supplier for the Antares rocket used to launch cargo to the International Space Station in the next few weeks, in time to include a potentially redesigned launcher in a bid for a follow-on NASA resupply contract.