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Newly Found Organics in Enceladus’ Plumes

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Newly Found Organics in Enceladus’ Plumes

A black and white image of Enceladus' south pole. Several plumes of water ice spray up from the curved surface; they are visible as misty white spikes. Most of the south pole is dark, but a small sliver is lit up at bottom left.
NASA/JPL-Caltech/Space Science Institute

Dramatic plumes, both large and small, spray water ice out from many locations along the famed tiger stripes near the south pole of Saturn’s moon Enceladus in this image released on Feb. 23, 2010. A study published in October 2025 analyzed data from NASA’s Cassini mission and found evidence of previously undetected organic compounds in a plume of ice particles like the ones seen here. The ice particles were ejected from the ocean that lies under Enceladus’ frozen shell. Researchers spotted not only molecules they’ve found before but also new ones that lay a potential path to chemical or biochemical activity.

Learn more about what they discovered.

Image credit: NASA/JPL-Caltech/Space Science Institute

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Monika Luabeya

Hatches Open, Station Crew Expands to 10

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Hatches Open, Station Crew Expands to 10

The newly-expanded Expedition 73 crew. In the front row (from left) are the newest crew members Chris Williams from NASA and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev. In the back are, NASA astronaut Mike Fincke, Roscosmos cosmonaut Sergey Ryzhikov, NASA astronauts Jonny Kim and Zena Cardman, Roscosmos cosmonaut Alexey Zubritsky, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov.
The newly-expanded Expedition 73 crew. In the front row (from left) are the newest crew members Chris Williams from NASA and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev. In the back are, NASA astronaut Mike Fincke, Roscosmos cosmonaut Sergey Ryzhikov, NASA astronauts Jonny Kim and Zena Cardman, Roscosmos cosmonaut Alexey Zubritsky, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov.
NASA

Expedition 73 wrapped up the work week At 10:16 a.m. EST, the hatch opened between the International Space Station and the Soyuz MS-28 spacecraft. 

The spacecraft arrived at the orbiting laboratory’s Rassvet module at 7:34 a.m., after launching at 4:27 a.m. (2:27 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan with NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev aboard. The trio will spend approximately eight months aboard the space station before returning to Earth in summer 2026.

Learn more about station activities by following the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts.

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Mark A. Garcia

Station Waits to Welcome to New Crew; Hatches Open Soon

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Station Waits to Welcome to New Crew; Hatches Open Soon

Nov. 27, 2025: International Space Station Configuration. Seven spaceships are parked at the space station including the SpaceX Dragon cargo craft, the SpaceX Crew-11 Dragon spacecraft, JAXA's HTV-X1 cargo craft, the Soyuz MS-27 crew ship, and the Progress 92 and 93 resupply ships. Northrop Grumman's Cygnus cargo craft was temporarily uninstalled from the Harmony module with the Canadarm2 robotic arm until Dec. 1.
Nov. 27, 2025: International Space Station Configuration. Seven spaceships are parked at the space station including the SpaceX Dragon cargo craft, the SpaceX Crew-11 Dragon spacecraft, JAXA’s HTV-X1 cargo craft, the Soyuz MS-27 crew ship, and the Progress 92 and 93 resupply ships. Northrop Grumman’s Cygnus cargo craft was temporarily uninstalled from the Harmony module with the Canadarm2 robotic arm until Dec. 1.
NASA

NASA’s live hatch opening coverage is underway on NASA+, Amazon Prime, YouTube, and more. Hatch opening is scheduled to begin at 10:10 a.m. EST. 

Learn how to watch NASA content through a variety of platforms, including social media. 

The Soyuz MS-28 spacecraft arrived at the orbiting laboratory’s Rassvet module at 7:34 a.m., after launching from the Baikonur Cosmodrome in Kazakhstan at 4:27 a.m. (2:27 p.m. Baikonur time) with NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev. The trio will spend approximately eight months aboard the orbital laboratory before returning to Earth in summer 2026. 

Learn more about station activities by following the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts.

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Mark A. Garcia

Three New Crew Members Aboard Soyuz Dock to Station

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Three New Crew Members Aboard Soyuz Dock to Station

The Soyuz MS-28 spacecraft with three crewmates from NASA and Roscosmos aboard approaches the International Space Station above the Mediterranean Sea.
The Soyuz MS-28 spacecraft with three crewmates from NASA and Roscosmos aboard approaches the International Space Station above the Mediterranean Sea.
NASA

At 7:34 a.m. EST, the Soyuz MS-28 spacecraft docked with the International Space Station’s Rassvet module. NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev launched at 4:27 a.m. (2:27 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan. 

Hatch opening is scheduled for 10:10 a.m. NASA’s live hatch-opening coverage will begin at 9:50 a.m. on NASA+, Amazon Prime, YouTube, and more. Learn how to watch NASA content through a variety of platforms, including social media.

Once aboard, the trio will join Expedition 73, including NASA astronauts Mike Fincke, Zena Cardman, and Jonny Kim, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonauts Sergei Ryzhikov, Alexey Zubritsky, and Oleg Platonov. The newly arrived crew members will spend approximately eight months aboard the orbital laboratory, returning to Earth in summer 2026.

Learn more about station activities by following the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts.

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Mark A. Garcia

Three Crewmates Aboard Soyuz Approaching Station for Docking

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Three Crewmates Aboard Soyuz Approaching Station for Docking

The Soyuz MS-27 spacecraft approaches the International Space Station 262 miles above Hungary on the European continent. The Soyuz spacecraft would dock shortly afterward to the Prichal module bringing NASA astronaut Jonny Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky to the orbital outpost.
The Soyuz MS-27 spacecraft approaches the International Space Station above the European continent on April 8, 2025.
NASA

NASA’s live coverage of rendezvous and docking is now underway on NASA+, Amazon Prime, YouTube, and more. Learn how to watch NASA content through a variety of platforms, including social media. 

The Soyuz MS-28 spacecraft will automatically dock at approximately 7:38 a.m. EST today with the International Space Station’s Rassvet module. It launched from the Baikonur Cosmodrome in Kazakhstan at 4:27 a.m. (2:27 p.m. Baikonur time) with NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev aboard.  

Learn more about station activities by following the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts.

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Mark A. Garcia