September 2026

APOD
APODScienceAPODAPOD: 2026 September 21 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss  APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Posted September 21, 2026
Earth Observatory
Ice & Glaciers
Sea Ice
While the sea ice melt season has lengthened dramatically in most of the satellite era, the trend unexpectedly stabilized around 2010.
Posted September 21, 2026
APOD
APODScienceAPODAPOD: 2026 September 20 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss  APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Posted September 20, 2026
APOD
APODScienceAPODAPOD: 2026 September 19 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss  APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Posted September 19, 2026
Office of International and Interagency Relations (OIIR)
Artemis Accords
The Republic of Albania will sign the Artemis Accords during a ceremony at 12 p.m. EDT on Monday, Sept. 21, at NASA Headquarters in Washington, becoming the 73rd country signatory. NASA Deputy Administrator Matt Anderson will host Albania’s Minister for Europe and Foreign Affairs Ferit Hoxha and Ambassador of the Republic of Albania to the […]
Posted September 18, 2026
Astrophysics
Electromagnetic Spectrum
Goddard Space Flight Center
Neutron Stars
Pulsars
Stars
The Universe
X-ray Astronomy
X-ray Binaries
XRISM (X-Ray Imaging and Spectroscopy Mission)
Using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory, astronomers have directly observed a giant star’s outflow, called a stellar wind, being captured by its compact companion and providing the power source for strong X-ray flares.
Posted September 18, 2026
Commercial Crew
International Space Station (ISS)
To continue regular crew transportation to the International Space Station, NASA has awarded SpaceX three additional missions through a contract modification.
Posted September 18, 2026
COSI (Compton Spectrometer and Imager)
UC Berkeley engineers and managers watch as the COSI (Compton Spectrometer and Imager) detector assembly is slowly raised from a table in this July 8, 2026, image. The four pieces of silver material on the top of the detector box cover the flex circuits, which carry signals from the detectors to the readout electronics. COSI […]
Posted September 18, 2026
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Spiral Galaxies
The Universe
Uncategorized
Though the spiral galaxy in this new image from the NASA/ESA Hubble Space Telescope seems serene, it hides a chaotic secret. This galaxy is NGC 4698, and it lies about 55 million light-years away in the constellation Virgo. It’s one of over a thousand galaxies in the Virgo Cluster, the nearest large cluster of galaxies bound together by […]
Posted September 18, 2026
APOD
APODScienceAPODAPOD: 2026 September 18 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss  APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Posted September 18, 2026
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