ISS Research

Astrophysics
Black Holes
Galaxies, Stars, & Black Holes
Galaxies, Stars, & Black Holes Research
International Space Station (ISS)
ISS Research
NICER (Neutron star Interior Composition Explorer)
Science & Research
Supermassive Black Holes
The Universe
X-ray Astronomy
Lee esta nota de prensa en español aquí. For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA’s NICER (Neutron star Interior Composition Explorer) and other missions.
Posted May 6, 2025
International Space Station (ISS)
ISS Research
Microbiology
Crew members are kicking off operations for several biological experiments that recently launched to the International Space Station aboard NASA’s 32nd SpaceX commercial resupply services mission.
Posted April 30, 2025
ISS Research
General
Humans in Space
International Space Station (ISS)
Science in Space April 2025 Humans have always been explorers, venturing by land and sea into unknown and uncharted places on Earth and, more recently, in space. Early adventurers often navigated by the Sun and stars, creating maps that made it easier for others to follow. Today, travelers on Earth have sophisticated technology to guide […]
Posted April 25, 2025
International Space Station (ISS)
Astronauts
Humans in Space
ISS Research
Johnson Space Center
Media are invited to a news conference at 2 p.m. EDT Monday, April 28, at NASA’s Johnson Space Center in Houston where astronaut Don Pettit will share details of his recent mission aboard the International Space Station. The news conference will stream live on NASA’s website. Learn how to stream NASA content through a variety […]
Posted April 23, 2025
International Space Station (ISS)
Commercial Resupply
ISS Research
Johnson Space Center
Kennedy Space Center
SpaceX Commercial Resupply
Following the successful launch of NASA’s SpaceX 32nd Commercial Resupply Services mission, new scientific experiments and supplies are bound for the International Space Station. The SpaceX Dragon spacecraft, carrying approximately 6,700 pounds of cargo to the orbiting laboratory for NASA, lifted off at 4:15 a.m.
Posted April 21, 2025
International Space Station (ISS)
Expedition 72
Humans in Space
ISS Research
NASA astronaut Don Pettit returned to Earth Saturday, accompanied by Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner, concluding a seven-month science mission aboard the International Space Station. The trio departed the space station at 5:57 p.m.
Posted April 20, 2025
International Space Station (ISS)
Humans in Space
ISS Research
Johnson Space Center
Editor’s Note: This advisory was updated on April 21, 2025, to reflect updated start times for the spacewalk and associated NASA+ broadcast on Thursday, May 1. Two NASA astronauts will venture outside the International Space Station, conducting U.S. spacewalk 93 on Thursday, May 1, to complete station upgrades.
Posted April 18, 2025
Astronauts
Humans in Space
International Space Station (ISS)
ISS Research
Johnson Space Center
Nichole Ayers
STEM Engagement at NASA
Students from Woodland Park, Colorado, will connect with NASA astronaut Nichole Ayers as she answers prerecorded science, technology, engineering, and mathematics-related questions from aboard the International Space Station. Watch the 20-minute space-to-Earth call at 11:55 a.m. EDT on Monday, April 21, on the NASA STEM YouTube Channel.
Posted April 17, 2025
ISS Research
Donald R. Pettit
Expedition 72
Humans in Space
International Space Station (ISS)
NASA astronaut Don Pettit is scheduled to return home in mid-April after a seven-month mission aboard the International Space Station as part of Expedition 72.
Posted April 17, 2025
SpaceX Commercial Resupply
Commercial Resupply
Expedition 73
General
International Space Station (ISS)
ISS Research
NASA and SpaceX are targeting no earlier than 4:15 a.m. EDT on Monday, April 21, for the next launch to deliver scientific investigations, supplies, and equipment to the International Space Station.
Posted April 17, 2025
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