Live coverage: Proton soars into space with Inmarsat satellite

U.S. and Russian vehicles ferrying crews and cargo will continue traveling to and from the International Space Station this month, sustaining the orbiting lab in its 20th year of continuous human occupation amid an escalating pandemic on Earth.

After an exhaustive investigation, SpaceX engineers have identified the most likely cause of the spectacular explosion of a Falcon 9 rocket during a pre-launch test Sept. 1 that destroyed the booster and its $195 million satellite payload, the company announced Monday.

NASA fired up four hydrogen-fueled main engines on the core stage of the first Space Launch System heavy-lift rocket Thursday in on a test stand in Mississippi, a redo of a crucial hot fire test that was cut short in January by technical issues. The engines burned more than eight minutes in an apparently successful test.