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Tech Today: Flipping NASA Tech and Sticking the Landing
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By NASA
A SpaceX Falcon 9 rocket carrying Northrop Grumman’s Cygnus XL spacecraft is launched on NASA’s Northrop Grumman Commercial Resupply Services 23 mission to the International Space Station on Sunday, Sept. 14, 2025.Credit: NASA NASA is sending more science, technology demonstrations, and crew supplies to the International Space Station following the successful launch of the agency’s Northrop Grumman Commercial Resupply Services 23 mission, or Northrop Grumman CRS-23.
The company’s Cygnus XL spacecraft, carrying more than 11,000 pounds of cargo to the orbiting laboratory, lifted off at 6:11 p.m. EDT Sunday on a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. This mission is the first flight of the larger, more cargo-capable version of the solar-powered spacecraft.
Cygnus XL is scheduled to be captured at 6:35 a.m. on Wednesday, Sept. 17, by the Canadarm2 robotic arm, which NASA astronaut Jonny Kim will operate with assistance from NASA astronaut Zena Cardman. Following capture, the spacecraft will be installed to the Unity module’s Earth-facing port for cargo unloading.
The resupply mission is carrying dozens of research experiments that will be conducted during Expedition 73, including materials to produce semiconductor crystals in space and equipment to develop improvements for cryogenic fuel tanks. The spacecraft also will deliver a specialized UV light system to prevent the growth of microbe communities that form in water systems and supplies to produce pharmaceutical crystals that could treat cancer and other diseases.
These are just a sample of the hundreds of scientific investigations conducted aboard the station in the areas of biology and biotechnology, Earth and space science, physical sciences, as well as technology development and demonstrations. For nearly 25 years, NASA has supported a continuous U.S. human presence aboard the orbiting laboratory, where astronauts have learned to live and work in space for extended periods of time. The space station is a springboard for developing a low Earth economy and NASA’s next great leaps in exploration, including Artemis missions to the Moon and American astronaut missions to Mars.
NASA’s arrival, capture, and installation coverage are as follows (all times Eastern and subject to change based on real-time operations):
Wednesday, Sept. 17
5 a.m. – Arrival coverage begins on NASA+, Amazon Prime, and more.
6:35 a.m. – Capture of Cygnus XL with the space station’s robotic arm.
8 a.m. – Installation coverage begins on NASA+, Amazon Prime, and more.
All coverage times are estimates and could be adjusted based on operations after launch. Follow the space station blog for the most up-to-date information.
Cygnus XL is scheduled to remain at the orbiting laboratory until March 2026, before it departs and disposes of several thousand pounds of trash through its re-entry into Earth’s atmosphere, where it will harmlessly burn up. The spacecraft is named the S.S. William “Willie” C. McCool, in honor of the NASA astronaut who perished in 2003 during the space shuttle Columbia accident.
Learn more about this NASA commercial resupply mission at:
https://www.nasa.gov/mission/nasas-northrop-grumman-crs-23/
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Josh Finch / Jimi Russell
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / james.j.russell@nasa.gov
Steven Siceloff
Kennedy Space Center, Fla.
321-876-2468
steven.p.siceloff@nasa.gov
Sandra Jones / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov / joseph.a.zakrzewski@nasa.gov
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Last Updated Sep 14, 2025 LocationNASA Headquarters Related Terms
International Space Station (ISS) Commercial Resupply ISS Research Johnson Space Center Northrop Grumman Commercial Resupply View the full article
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By NASA
Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Mars Home 2 min read
Curiosity Blog, Sols 4649-4654: Ridges, Hollows and Nodules, Oh My
NASA’s Mars rover Curiosity acquired this image using its Left Navigation Camera, showing the transition from smoother ridge bedrock (right) to more nodular bedrock (bottom left to top middle) on the edge of a shallow hollow (top left). Curiosity, whose masthead shadow is also visible, captured this image on Sept. 5, 2025 — Sol 4650, or Martian day 4,650 of the Mars Science Laboratory mission — at 00:22:34 UTC. NASA/JPL-Caltech Written by Lucy Thompson, Planetary Scientist and APXS Team Member, University of New Brunswick, Canada
Earth planning date: Friday, Sept. 5, 2025
Curiosity is in the midst of the boxwork campaign, trying to decipher why we see such pronounced ridges and hollows in this area of Mount Sharp. When this terrain was first identified from orbit it was hypothesized that the ridges may be the result of cementation by circulating fluids, followed by differential erosion of the less resistant bedrock in between (the hollows that we now observe).
We have been exploring the boxwork terrain documenting textures, structures and composition to investigate potential differences between ridges and hollows. One of the textural features we have observed are nodules in varying abundance. The focus of our activities this week was to document the transition from smoother bedrock atop a boxwork ridge to more nodular bedrock associated with the edge of a shallow hollow.
In Tuesday’s three-sol plan we analyzed the smoother bedrock within the ridge, documenting textures with MAHLI, Mastcam, and ChemCam RMI, and chemistry with ChemCam LIBS and APXS. Curiosity then successfully bumped towards the edge of the ridge/hollow to place the more nodular bedrock in our workspace. Friday’s three-sol plan was basically a repeat of the previous observations, but this time focused on the more nodular bedrock. The planned drive should take us to another boxwork ridge, and closer to the area where we plan to drill into one of the ridges.
As the APXS strategic planner this week, I helped to select the rock targets for analysis by our instrument, ensuring they were safe to touch and that they met the science intent of the boxwork campaign. I also communicated to the rest of the team the most recent results from our APXS compositional analyses and how they fit into our investigation of the boxwork terrain. This will help to inform our fast-approaching decision about where to drill.
Both plans included Mastcam and ChemCam long-distance RMI imaging of more distant features, including other boxwork ridges and hollows, buttes, the yardang unit, and Gale crater rim. Planned environmental activities continue to monitor dust in the atmosphere, dust-devil activity, and clouds. Standard REMS, RAD, and DAN activities round out the week’s activities.
Want to read more posts from the Curiosity team?
Visit Mission Updates
Want to learn more about Curiosity’s science instruments?
Visit the Science Instruments page
NASA’s Mars rover Curiosity at the base of Mount Sharp NASA/JPL-Caltech/MSSS Share
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Last Updated Sep 12, 2025 Related Terms
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By NASA
Credit: NASA NASA has selected Troy Sierra JV, LLC of Huntsville, Alabama, to provide engineering, research, and scientific support at the agency’s Glenn Research Center in Cleveland.
The Test Facility Operations, Maintenance, and Engineering Services III contract is a cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract with a maximum potential value of approximately $388.3 million. The performance period begins Jan. 1, 2026, with a three-year base period followed by a two-year option, and a potential six-month extension through June 2031.
This contract will provide and manage the engineering, technical, manufacturing, development, operations, maintenance, inspection, and certification support services needed to conduct aerospace testing in NASA Glenn’s facilities and laboratories.
For information about NASA and other agency programs, visit:
https://www.nasa.gov
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Tiernan Doyle
Headquarters, Washington
202-358-1600
tiernan.doyle@nasa.gov
Jan Wittry
Glenn Research Center, Cleveland
216-433-5466
jan.m.wittry-1@nasa.gov
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Last Updated Sep 12, 2025 LocationNASA Headquarters Related Terms
Glenn Research Center View the full article
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