Humans in Space

Humans in Space
International Space Station (ISS)
Missions
Four crew members from three space agencies will launch to the International Space Station no earlier than spring 2027 for a long-duration science expedition as part of NASA’s SpaceX Crew-14 mission.
Posted September 25, 2026
Humans in Space
Human Research Program
During NASA’s SpaceX Crew‑13 mission aboard the International Space Station, astronauts will support a series of biomedical and human performance investigations, including a new collaborative effort to study how spaceflight affects blood flow and clotting.
Posted September 24, 2026
Office of the Chief Health and Medical Officer (OCHMO)
Astronauts
General
Humans in Space
International Space Station (ISS)
NASA’s Office of the Chief Health and Medical Officer formed a working group in August 2026 to review the most recent data related to extravehicular activity (EVA) prebreathe testing and decompression sickness (DCS) events, venous thromboembolism (VTE) in-flight occurrences, and patent foramen ovale (PFO) implication as they relate to NASA’s Artemi
Posted September 22, 2026
Learning Resources
Humans in Space
In-flight Education Downlinks
International Space Station (ISS)
Johnson Space Center
Editor’s Note: This feature was updated Sept. 22, 2026, to note the time change for the in-flight call with students.  Students in New Hampshire will hear from NASA astronaut Anil Menon as he answers prerecorded STEM questions while aboard the International Space Station. The Earth-to-space call will begin at 11:40 a.m. EDT Thursday, Sept.
Posted September 22, 2026
General
Artemis
Astronauts
Exploration Systems Development Mission Directorate
Human Spaceflight Mission Directorate
Humans in Space
International Space Station (ISS)
Johnson Space Center
Knowledge Inventory For Professionals
Mars
Moon Base
Office of the Chief Health and Medical Officer (OCHMO)
Planning crewed missions to the Moon and Mars involves preparing for the medical realities of long-duration space travel. Factors like cosmic radiation, microgravity, and distance from Earth create unique health considerations for astronauts. To anticipate these needs ahead of time, NASA developed the Integrated Medical Model (IMM).
Posted September 16, 2026
Humans in Space
International Space Station (ISS)
Media are invited to hear from NASA’s SpaceX Crew-12 astronauts during a news conference beginning at 2:45 p.m. EDT, Wednesday, Sept. 16, from the International Space Station.
Posted September 11, 2026
Humans in Space
President Donald J. Trump awarded NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen with the Congressional Space Medal of Honor Friday for their service during the Artemis II mission.
Posted August 28, 2026
Humans in Space
Astronauts
Johnson Space Center
Jonny Kim
After nearly a decade of service to NASA, including an eight-month science expedition aboard the International Space Station, astronaut Jonny Kim’s last day at the agency is Thursday. He will continue serving as lieutenant commander in the U.S. Navy. Kim launched to the space station in April 2025 aboard the Soyuz MS‑27 spacecraft to conduct […]
Posted August 27, 2026
Humans in Space
International Space Station (ISS)
Johnson Space Center
NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several maintenance tasks in support of space station operations. Watch live coverage beginning at 7 a.m. EDT. The spacewalk is expected to start at approximately 8:30 a.m.
Posted August 26, 2026
Astrobiology
Earth's Moon
Goddard Space Flight Center
Human Spaceflight Mission Directorate
Humans in Space
International Space Station (ISS)
ISS Research
Johnson Space Center
NASA Centers & Facilities
NASA Directorates
Planetary Geosciences & Geophysics
Planetary Science
Planetary Science Division
Science & Research
Science Mission Directorate
Lee esta historia en español aquí. Some of Earth’s microbes likely to hitch a ride to space with human explorers could survive in the shaded nooks and crannies of the Moon’s South Pole region, NASA scientists say.  Published on Aug. 19, 2026, in Science Advances, these findings highlight a need to better understand microbial persistence […]
Posted August 19, 2026
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