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Mars 2020

Atlas 5

ULA’s Atlas 5 is NASA’s go-to rocket for nuclear-powered space probes

July 29, 2020 Stephen Clark

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.

Atlas 5

Photos: Atlas 5 rolled out to launch pad with NASA’s Perseverance Mars rover

July 28, 2020 Stephen Clark

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.

Atlas 5

NASA’s Perseverance rover signals new era in Mars exploration

July 28, 2020 Stephen Clark

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.

Atlas 5

Live coverage: Atlas 5 rocket launches with NASA-built Mars rover

July 28, 2020 Stephen Clark

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.

Atlas 5

Good weather predicted for NASA’s Mars rover launch Thursday

July 27, 2020 Stephen Clark

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.

Atlas 5

Plutonium power source installed on NASA’s next Mars rover

July 22, 2020 Stephen Clark

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.

Atlas 5

Photos: Mars rover encapsulated for launch, mated with Atlas 5 rocket

July 10, 2020 Stephen Clark

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.

Atlas 5

Mars rover mated with Atlas 5 launcher after teams deal with coronavirus cases

July 9, 2020 Stephen Clark

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.

Atlas 5

NASA delays Mars rover launch to no earlier than July 30

June 30, 2020 Stephen Clark

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.

Atlas 5

Launch of NASA’s Perseverance Mars rover delayed to July 22

June 24, 2020 Stephen Clark

The launch of NASA’s Perseverance Mars rover has been delayed two days to July 22 after an issue with ground support equipment at the Kennedy Space Center held up encapsulation of the spacecraft inside the payload fairing of its Atlas 5 rocket.

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News Headlines

  • SpaceX’s most-flown Falcon booster launches on record 33rd flight
    February 21, 2026
  • NASA’s Artemis 2 rocket hit by new problem expected to bump moonshot into early April
    February 21, 2026
  • Falcon 9 launches 25 Starlink satellites after weather delays
    February 20, 2026
  • Moon mission fueling test concludes with no major problems
    February 20, 2026
  • Independent report sharply criticizes NASA management, Boeing for troubled Starliner flight
    February 19, 2026
  • SpaceX launches second Falcon 9 rocket to return to a landing in The Bahamas
    February 19, 2026
  • NASA to attempt second full fueling test of its Space Launch System rocket
    February 17, 2026
  • SpaceX launches predawn Starlink mission on President’s Day
    February 15, 2026
  • Replacement crew docks at space station, boosts crew back to seven
    February 15, 2026
  • SpaceX launches 600th Falcon 9 rocket to date with Starlink flight from Vandenberg
    February 14, 2026
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