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Video: SLS core stage test-firing ends early
The four RS-25 engines at the bottom of NASA's first Space Launch System core stage shut down about a minute into a ground test-firing Saturday that was supposed to last more than eight minutes.

NASA takes a chance on Virgin Orbit with company’s second test launch
On its second launch attempt after a propulsion problem prevented its light-class air-dropped rocket from reaching space last year, Virgin Orbit will try to deliver 10 experimental CubeSats into orbit as soon as Sunday on a mission booked by NASA five years ago for $4.7 million.
VideoLive coverage: SLS core stage engines shut down early during critical hotfire test
A critical test-firing of the Space Launch System's core stage engines cut off about a minute into a planned eight-minute burn Saturday on a test stand at NASA's Stennis Space Center in Mississippi. The rocket's four engines ignited at 5:27 p.m. EST (2227 GMT) for a test that was to pave the way for the core stage's shipment to the Kennedy Space Center for launch preparations.

NASA proceeds with SLS booster stacking in Florida before core stage arrives
NASA ground crews at the Kennedy Space Center are continuing to stack segments of the Space Launch System’s side-mounted solid rocket boosters on a mobile launch platform inside the iconic Vehicle Assembly Building.

NASA’s huge moon rocket faces critical test-firing before first launch
A critical test firing Saturday of the four main engines powering the first stage of NASA's gargantuan Space Launch System moon rocket is the final major hurdle before the fully assembled booster's costly, oft-delayed launch late this year on an unpiloted test flight.

Officials forecast than 50 launches from Florida’s Space Coast this year
Military officials in charge of the Eastern Range at Cape Canaveral project more than 50 launches from Florida's Space Coast this year, with SpaceX responsible for most of the launch activity, the vice commander of the 45th Space Wing said this week.

French wine, live rodents among 2 tons of cargo returned from space station
A SpaceX Cargo Dragon capsule parachuted to an on-target splashdown Wednesday night west of Tampa, returning more than two tons of experiment specimens from the International Space Station, including live rodents and a dozen bottles of space-aged French wine.

Boeing says assembly complete on first set of new space station solar arrays
Engineers from Boeing and a team of subcontractors have finished building the first pair of six new solar arrays to bolster the International Space Station's aging electrical system ahead of their launch to the orbiting outpost as soon as May aboard SpaceX's next Cargo Dragon mission.

Cargo Dragon heads for splashdown off Florida’s west coast
SpaceX’s first upgraded Cargo Dragon spaceship departed the International Space Station Tuesday morning with more than 4,400 pounds of research specimens and other equipment, heading for splashdown Wednesday night in the Gulf of Mexico off the west coast of Florida.

James Webb, OneWeb highlight Arianespace’s 2021 launch schedule
The planned Halloween launch of the James Webb Space Telescope -- one of eight Ariane 5 launches left before the rocket's retirement -- and a series of flights to build out OneWeb's satellite internet network highlight Arianespace's schedule this year.