APOD: 2026 October 19 – Treble Clef: Unusual X-ray Hot Radio Source

APOD Science APOD APOD: 2026 October 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. Treble Clef: Unusual … Read more

Experimental Facilities

8 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Research teams at the NASA Glenn Research Center perform experiments in world-class facilities such as the 9- by 15-Foot Low-Speed Wind Tunnel (9 x15 LSWT), the Aero-Acoustic Propulsion Laboratory (AAPL), the Small Hot Jet Acoustic Rig (SHJAR), the Nozzle Acoustic Test Rig (NATR), the … Read more

Martian Dawn

NASA/JPL-Caltech/MSSS NASA’s Curiosity captures the dawn on Mars – as well as elongated ridges formed by wind erosion, or yardangs – in this close-up from a panorama released on Oct. 6, 2026. This is the most detailed view yet of distant, wind-carved Martian cliffs, highlighting features the mission’s scientists have long been waiting to see … Read more

Autumn Paints Poland’s Bieszczady Mountains

Earth Observatory Science Earth Observatory Autumn Paints Poland’s… 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 Blog Blue Marble: Next … Read more

NASA’s Simulated Mars Crew Marks One Year Inside Habitat 

Members of NASA’s CHAPEA (Crew Health and Performance Exploration Analog) Mission 2 crew stands in their workspace after spending a year in their isolated and confined habitat at NASA’s Johnson Space Center in Houston. (from left: James Spicer, Matthew Montgomery, Ellen Ellis, and Ross Elder). NASA The four crew members in NASA’s simulated Mars mission … Read more

Instrumentation

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) To measure airflow and sound, research teams at the NASA Glenn Research Center use special instrumentation like particle image velocimetry, hot wire anemometry, Raman spectroscopy, microphones in phased arrays or continuously rotating rakes. The global aviation noise reduction community relies on data from NASA … Read more

Software

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Research teams at NASA’s Glenn Research Center are involved in developing theory and software to predict the noise from aircraft engines. This software helps engineers to design and analyze new and improved aircraft propulsion systems. Copies of our software can be requested from NASA’s … Read more

APOD: 2026 October 18 – Sonified: Eagle Nebula Pillars

APOD Science APOD APOD: 2026 October 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. Sonified: Eagle Nebula … Read more

NASA Names Stephen Cash Marshall Space Flight Center Director

Photo of Stephen Cash NASA Administrator Jared Isaacman has named Stephen Cash director of the agency’s Marshall Space Flight Center in Huntsville, Alabama, effective Monday, Oct. 19. Cash, a veteran NASA engineer and aerospace executive, returns to lead the center where he began his career more than four decades ago. “Marshall contributions to NASA’s missions … Read more