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International Space Station

    DNA Research on Station Promoting Cancer Therapies, Radiation Repair

    NASA astronaut and Expedition 74 flight engineer Chris Williams configures research hardware inside a portable glovebag for a biotechnology investigation exploring how bacteria affect heart tissue in the microgravity environment. Results from the MVP (Multi-use Variable-g Platform) Cell-09 experiment could lead to advanced methods for preventing or treating heart damage in humans living on and off the Earth.

    More biotechnology research was underway aboard the International Space Station on Wednesday taking advantage of the microgravity environment to boost knowledge about the properties of DNA and DNA-like nanomaterials. The Expedition 74 crew also completed the installation of an advanced exercise device and tested a set of new virtual reality goggles while continuing to unpack a U.S. cargo spacecraft.

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    Roscosmos Progress 93 Cargo Spacecraft Departs Station

    April 20, 2026: International Space Station Configuration. Four spaceships are parked at the space station including the SpaceX Crew-12 Dragon, Northrop Grumman's Cygnus XL, the Soyuz MS-28 crew ship, and the Progress 94 resupply ship.

    The unpiloted Roscosmos Progress 93 spacecraft undocked from the International Space Station at 6:08 p.m. EDT Monday, backing away for a deorbit maneuver and a planned destructive re-entry into Earth’s atmosphere to dispose of trash loaded by the crew.

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    Station Orbits Higher as Crew Runs New Science Experiments

    The Roscosmos Progress 93 cargo craft, docked to the rear port of the Zvezda service module, fires its engines to raise the International Space Station's orbit. This reboost maneuver positioned the orbital outpost at the correct altitude for the arrival of the Soyuz MS-28 crew spacecraft on Nov. 27 and the undocking of the Soyuz MS-27 crew spacecraft on Dec. 8.

    The International Space Station is orbiting higher today after the Progress 93 resupply ship, docked to the Zvezda service module, fired its engines for just over five minutes Wednesday night. The orbital reboost places the space station at the correct altitude for the upcoming Progress 95 cargo mission scheduled to resupply the Expedition 74 crew at the end of April.

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    Crew Begins New Space Research and Installs New Science Gear

    NASA astronauts (from left) Chris Williams and Jack Hathaway, both Expedition 74 flight engineers, pose for a portrait inside the cupola during a break in their procedures as Northrop Grumman's Cygnus XL cargo spacecraft approached the International Space Station. Williams operated the Canadarm2 robotic arm from inside the cupola to capture Cygnus XL, while Hathaway monitored the spacecraft during its approach and rendezvous. Cygnus XL delivered more than 11,000 pounds of new science experiments, lab hardware, and crew supplies for the Expedition 74 crew.

    New science experiments are getting underway and new research hardware is being activated aboard the International Space Station after being delivered aboard the Cygnus XL cargo spacecraft on Monday. The Expedition 74 crew spent Wednesday unpacking Cygnus XL and stowing the new gear and supplies throughout the orbital outpost.

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    Expedition 74 Opens Cygnus XL and Unpacks Advanced Science Gear

    Northrop Grumman's Cygnus XL cargo spacecraft, carrying over 11,000 pounds of new science experiments, lab hardware, and crew supplies, is pictured moments before its capture with the Canadarm2 robotic arm following its approach and rendezvous with the International Space Station.

    The hatches are open between Northrop Grumman’s second Cygnus XL cargo spacecraft and the International Space Station following its robotic capture and installation on Monday. The Expedition 74 crew is now beginning to unload some of the new science and crew supplies delivered on Monday.

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    Canadarm2 Installs Cygnus XL Cargo Craft to Unity Module

    April 13, 2026: International Space Station Configuration. Five spaceships are parked at the space station including the SpaceX Crew-12 Dragon, Northrop Grumman's Cygnus XL, the Soyuz MS-28 crew ship, and the Progress 93 and 94 resupply ships.

    Northrop Grumman’s Cygnus XL spacecraft has been installed to the Unity module’s Earth-facing port of the International Space Station. The mission is known as NASA’s Northrop Grumman Commercial Resupply Services 24, or Northrop Grumman CRS-24. Filled with more than 11,000 pounds of research and supplies, the Northrop Grumman Cygnus XL spacecraft, carried on a SpaceX Falcon […]

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