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. Messier 33: The … Read more

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

3 min read NASA’s Hubble Spots an Out-of-Sync Galaxy The spiral galaxy NGC 4698 shines in this image from the NASA/ESA Hubble Space Telescope. ESA/Hubble & NASA, D. Thilker, the MAUVE-HST Team 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 … Read more

COSI Telescope Comes Together

UC Berkeley/Alan Toth 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 … Read more

NASA Awards SpaceX Three Crew Flights to Space Station

A SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft launches NASA’s SpaceX Crew-10 mission to the International Space Station on March 14, 2025. NASA/Aubrey Gemignani To continue regular crew transportation to the International Space Station, NASA has awarded SpaceX three additional missions through a contract modification. As part of the agency’s Commercial Crew Transportation … Read more

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

5 min read 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. The research is part of … Read more

Summer Goes Out With a Heat Dome

Earth Observatory Science Earth Observatory Summer Goes Out With a Heat Dome Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More Content Collections Global Maps World of Change Articles Earth Matters … Read more

APOD: 2026 September 17 – A Treasure Chest in the Carina Nebula

APOD Science APOD APOD: 2026 September 17 – A… 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. A Treasure … Read more

NASA Unveils Enterprise, the First Space Shuttle

The rollout ceremony for NASA’s first space shuttle, OV-101, coincided with Constitution Day of the nation’s bicentennial on Sept.17, 1976. Although the orbiter was originally planned to be named Constitution, Star Trek fans successfully convinced President Gerald Ford to name it Enterprise after the series’ fictional starship. NASA Fifty years ago, on Sept. 17, 1976—Constitution … Read more

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

A SpaceX Falcon 9 rocket launches on May 15, 2026, carrying about 6,500 pounds of science, supplies, and equipment to the International Space Station during the company’s 34th commercial resupply mission for NASA. Credit: NASA Media accreditation is open for the next cargo launch that will deliver NASA science investigations, supplies, and equipment to the … Read more

Passion Meets Precision at NASA’s Flight Research Lab

4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Derek Abramson, Dale Reed Subscale Flight Research Laboratory chief engineer, left, communicates with the Edwards Air Force Base air traffic control tower for approval to fly the Alta-X drone near NASA’s Armstrong Flight Research Center in Edwards, California, on Thursday, Aug. 27, 2026. Justin … Read more