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APOD

APOD: 2026 September 20 – Analemma over the Callanish Stones

APOD Science APOD APOD: 2026 September 20 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   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

APOD: 2026 September 19 – A Zodiacal Night

APOD Science APOD APOD: 2026 September 19 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   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

NASA Invites Media to Albania Artemis Accords Signing Ceremony

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)

NASA-JAXA XRISM Mission Sees Pulsar Gathering Companion’s ‘Wind’

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)

NASA Awards SpaceX Three Crew Flights to Space Station

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)

COSI Telescope Comes Together

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

NASA’s Hubble Spots an Out-of-Sync Galaxy

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

APOD: 2026 September 18 – Messier 33: The Triangulum Galaxy

APOD Science APOD APOD: 2026 September 18 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   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
Launch Services Office
Astrophysics
Astrophysics Pioneers
Kennedy Space Center
Launch Services Program
Science Mission Directorate
Starburst

NASA Awards Launch Services for StarBurst Gamma-Ray Detector

NASA has selected SpaceX to provide launch services for the agency’s StarBurst mission, a small satellite designed to investigate neutron star mergers and the origins of short gamma-ray bursts.
Posted September 17, 2026
SpaceX Commercial Resupply
International Space Station (ISS)
Missions

NASA Invites Media to SpaceX’s 35th Resupply Launch to Space Station

Media accreditation is open for the next cargo launch that will deliver NASA science investigations, supplies, and equipment to the International Space Station. The 35th SpaceX commercial resupply services mission to the orbital laboratory for NASA will lift off on a Falcon 9 rocket.
Posted September 17, 2026
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386
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88
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78
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