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212 articles
VideoULA’s Atlas 5 is NASA’s go-to rocket for nuclear-powered space probes
NASA's Perseverance rover, set for liftoff Thursday on a journey to Mars, posed some unusual challenges for launch crews working with the robot's plutonium-fueled power generator, but United Launch Alliance's Atlas 5 rocket is uniquely suited for the job, the company's CEO says.

Photos: Atlas 5 rolled out to launch pad with NASA’s Perseverance Mars rover
A United Launch Alliance Atlas 5 rocket emerged from its vertical hangar Tuesday for the 1,800-foot journey to pad 41 at Cape Canaveral Air Force Station, moving into position for liftoff Thursday with NASA's Mars 2020 Perseverance rover.
VideoNASA’s Perseverance rover signals new era in Mars exploration
NASA's Perseverance rover will depart Cape Canaveral Thursday on a $2.7 billion mission to Mars, carrying with it the first interplanetary aircraft, sophisticated instruments to search for signs of ancient life, and drill to core samples for eventual return to Earth.
VideoLive coverage: Atlas 5 rocket launches with NASA-built Mars rover
A United Launch Alliance Atlas 5 rocket lifted off at 7:50 a.m. EDT (1150 GMT) Thursday from pad 41 at Cape Canaveral Air Force Station with NASA's Mars 2020 Perseverance rover.

Good weather predicted for NASA’s Mars rover launch Thursday
In the first official weather outlook the planned launch this week of NASA's Mars 2020 Perseverance rover, meteorologists predict an 80 percent chance of favorable conditions to allow liftoff of an Atlas 5 rocket from Cape Canaveral Thursday.

Plutonium power source installed on NASA’s next Mars rover
The nuclear power generator for NASA's Perseverance rover has been installed on the spacecraft atop an Atlas 5 rocket at Cape Canaveral, and mission managers gave a green light Wednesday to continue preparations for the rover's July 30 launch toward Mars.

Photos: Mars rover encapsulated for launch, mated with Atlas 5 rocket
NASA's Perseverance rover, contained inside its aeroshell for a searing plunge into the Martian atmosphere next year, has been cocooned inside the payload shroud of its Atlas 5 launcher and mated with the rocket ahead of liftoff from Cape Canaveral scheduled for July 30.

Mars rover mated with Atlas 5 launcher after teams deal with coronavirus cases
NASA's Perseverance Mars rover has been hoisted on top of its United Launch Alliance Atlas 5 rocket at Cape Canaveral for liftoff this month, passing a major pre-launch milestone after teams repaired a small leak on the launch vehicle and overcame delays caused by coronavirus cases among staff working on the mission.

NASA outlines recommendations to clear path for Boeing to resume Starliner flights
NASA has completed an exhaustive review of software problems and procedural oversights that prevented an unpiloted Boeing Starliner capsule from docking with the space station last year. The agency is implementing 80 recommendations to clear the way for a second test flight later this year and, if all goes well, Boeing's first piloted flight next spring, officials said Tuesday.

NASA delays Mars rover launch to no earlier than July 30
A technical issue with the United Launch Alliance Atlas 5 rocket that will send NASA's $2.4 billion Perseverance rover toward Mars has pushed the mission's launch date back to no earlier than July 30, nearly two weeks into a month-long window for the rover to head to the Red Planet, or else face a two-year delay.