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    NASA’s Parker Solar Probe Sails Through 25th Sun Flyby

    NASA’s Parker Solar Probe completed its 25th close approach to the Sun on Sept. 15, matching its record distance of 3.8 million miles (6.2 million kilometers) from the solar surface.  Parker Solar Probe checked in with flight controllers at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland — where the spacecraft was also […]

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    Cygnus Resupply Ship Approaching Station for Capture

    Northrop Grumman's Cygnus cargo craft, carrying 8,200 pounds of science and supplies, approaches the International Space Station for a capture with the Canadarm2 robotic arm commanded by Expedition 71 Flight Engineer Matthew Dominick of NASA. The maneuver marked the 50th free-flying capture for the Canadarm2 robotic arm.

    At approximately 7:18 a.m. EDT, NASA astronaut Jonny Kim will capture the spacecraft using the International Space Station’s Canadarm2 robotic arm, and NASA astronaut Zena Cardman will assist. After capture, the spacecraft will be installed on the Unity module’s Earth-facing port for cargo unloading. 

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    NASA, Northrop Grumman “Go” to Proceed with Cygnus XL Station Arrival

    NASA and Northrop Grumman are targeting the safe arrival of the company’s Cygnus XL at approximately 7:18 a.m. EDT Thursday, Sept. 18, to the International Space Station.  The Cygnus XL now will conduct a series of burns to bring the spacecraft to the space station for its robotic capture and installation. NASA astronaut Jonny Kim […]

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    NASA, Northrop Grumman Assessing Cygnus XL Engine Burn Plan

    Northrop Grumman's 21st Cygnus cargo craft, with its prominent cymbal-shaped UltraFlex solar arrays, is pictured in the grips of the Canadarm2 robotic arm shortly after its capture on Aug. 6, 2024.

    NASA and Northrop Grumman are delaying the arrival of the Cygnus XL to the International Space Station as flight controllers evaluate an alternate burn plan for the resupply spacecraft. The Cygnus XL will not arrive to the space station on Wednesday, Sept. 17, as originally planned, with a new arrival date and time under review.

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    New Mexico Scientific Balloon Campaign Update – Sept. 15

    The Electron Losses driven by VLF EmissionS (ELVES) mission launched at 10:04 a.m. EDT (8:04 a.m. MDT) on Sept. 15, 2025. The balloon and payload reached a float altitude of 125,000 feet and flew for 8 hours, 12 minutes. The experiment includes multiple detection methods for both Very Low Frequency (VLF) emissions and electron precipitation, including magnetometers, x-ray detectors, and cosmic noise absorption measurements, advancing our understanding of radiation belt dynamics and ionospheric interactions.

    To follow the missions in the 2025 Fort Sumner campaign, visit NASA’s Columbia Scientific Balloon Facility website for real-time updates of balloons’ altitudes and locations during flight.

    A large scientific balloon being inflated with helium during launch preparations, with ground crew and support vehicles visible below against a clear blue sky
    UCLA's ELVES (Electron Losses driven by VLF Emissions) scientific balloon during inflation on September 15, 2025, at Fort Sumner, New Mexico. The balloon carried instruments to study electron precipitation in the upper atmosphere.
    NASA/ Patrick Rogers