Falcon 9

Live coverage: SpaceX’s second upgraded “Block 5” booster test-fired in Florida

SpaceX is preparing this week for the second flight of the upgraded “Block 5” version of the company’s Falcon 9 rocket, and a hold-down firing of the booster was accomplished Wednesday at Cape Canaveral ahead of a middle-of-the-night launch this weekend with a Canadian-owned commercial communications satellite. The static fire test occurred at 5 p.m. EDT (2100 GMT) Wednesday.

Ariane 5

Concerns with Indian satellite postpone next Ariane 5 launch

India’s most powerful communications satellite will soon be flown back to its manufacturing plant in Bangalore for additional checks, officials said this week, forcing Arianespace to scrap plans for an Ariane 5 launch in late May that was to be co-manifested with a U.S.-built television broadcast satellite for Intelsat and the government of¬†Azerbaijan.