A Blue Origin rocket exploded on the launch tower in a fiery blast during a test of its engines, the company says.
Six women, including pop star Katy Perry, were launched into space on Monday on a Blue Origin rocket, a lift-off that marked the first all-female spaceflight since 1963, according to the company.
The Federal Aviation Administration said it is requiring SpaceX to conduct an investigation into the mishap.
A key Hezbollah commander and his chain of command were killed in an Israeli strike in Beirut on Friday, according to the Israel Defense Forces, as tensions continue to rise along the Israel-Lebanon border.
SpaceX's Falcon 9 rocket - the most prolific launch vehicle in the world - is ready to return to flight after suffering a mission-ending failure during a routine journey earlier this month.
Boeing has launched astronauts for the first time after years of delays. Two NASA test pilots blasted off aboard Boeing's Starliner capsule from Cape Canaveral, Florida.