International Space Station (ISS)

Ames Research Center

CubeSats

ISS Research

SBIR STTR

Small Spacecraft Technology Program

Space Technology Mission Directorate

NASA’s Two-in-One Satellite Propulsion Demo Begins In-Space Test

NASA is working with commercial partners to create high-performing, reliable propulsion systems that will help small spacecraft safely maneuver in orbit, reach intended destinations across the solar system, and accomplish mission operations.   Two new micropropulsion technologies are being tested in space onboard a CubeSat called DUPLEX (Dual Prop

Posted December 17, 2025

Missions

Expedition 73

Expedition 74

International Space Station (ISS)

ISS Research

NASA Sets Coverage for Astronaut Jonny Kim, Crewmates Return

NASA astronaut Jonny Kim, accompanied by Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, is preparing to depart the International Space Station aboard the Soyuz MS-27 spacecraft and return to Earth. Kim, Ryzhikov, and Zubritsky will undock from the station’s Prichal module at 8:41 p.m. EST on Monday, Dec.

Posted December 4, 2025

Johnson Space Center

International Space Station (ISS)

Student Art Murals at Johnson Celebrate 25 Years of Humanity in Space

Select walls at NASA’s Johnson Space Center have been transformed into works of art. Each piece reflects creativity, collaboration, and the spirit of discovery.

Posted December 3, 2025

ISS Research

General

Humans in Space

International Space Station (ISS)

NASA Astronaut Jonny Kim Advances Research Aboard Space Station

NASA astronaut Jonny Kim is wrapping up his first mission aboard the International Space Station in early December. During his stay, Kim conducted scientific experiments and technology demonstrations to benefit humanity on Earth and advance NASA’s Artemis campaign in preparation for future human missions to Mars.

Posted December 3, 2025

Johnson Space Center

International Space Station (ISS)

The International Space Station Marks 25 Years of Continuous Human Presence

On Nov. 2, 2025, NASA honored 25 years of continuous human presence aboard the International Space Station.

Posted December 2, 2025

Humans in Space

International Space Station (ISS)

NASA Astronaut Chris Williams, Crewmates Arrive at Space Station

NASA astronaut Chris Williams, accompanied by Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, safely arrived at the International Space Station on Thursday, expanding the orbiting laboratory’s crew to 10 for the next two weeks. The trio launched aboard the Soyuz MS-28 spacecraft at 4:27 a.m. EST (2:27 p.m.

Posted November 27, 2025

International Space Station (ISS)

City Lights and Atmospheric Glow

JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui captured this photo of southern Europe and the northwestern Mediterranean coast from the International Space Station as it orbited 261 miles above Earth on Aug. 30, 2025. At left, the Po Valley urban corridor in Italy shines with the metropolitan areas of Milan and Turin and their […]

Posted November 24, 2025

Johnson Space Center

Humans in Space

International Space Station (ISS)

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing sight and a profound shift in perspective that followed. This unique experience is known as the […]

Posted November 24, 2025

ISS Research

Biological & Physical Sciences

Earth Science

General

Humans in Space

International Space Station (ISS)

Science & Research

25 Years of Scientific Discovery Aboard the International Space Station

November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity. Since the first crew arrived on Nov.

Posted November 21, 2025

Humans in Space

International Space Station (ISS)

NASA Sets Coverage for Crew Launch to Join Station Expedition

NASA astronaut Chris Williams will launch aboard the Roscosmos Soyuz MS-28 spacecraft to the International Space Station on Thursday, Nov. 27, accompanied by cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, where they will join the Expedition 73 crew advancing scientific research. Williams, Kud-Sverchkov, and Mikaev will lift off at 4:27 a.m.

Posted November 20, 2025