APOD Science APOD APOD: 2026 October 14 – Mars… 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. Mars and … Read more

As the Artemis II crew members came close to passing behind the Moon and experiencing a planned loss of signal, they captured this image of a crescent Earth setting on the Moon’s limb on April 6, 2026. The edge of the visible surface of the Moon is called the “lunar limb.” Credit: NASA NASA will … Read more

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Yi Lin, SPEARS testing and research lead at NASA Langley, holds one of the small coin-cell batteries that had just undergone thermal vacuum testing. NASA/Ryan Hill If you’ve ever had your car start sluggishly, or not at all, on a particularly frigid winter morning, … Read more

NASA/John Kraus Sunlight illuminates the exhaust plumes of a SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft on Oct. 13, 2026. This visual phenomenon is known as a “jellyfish”; it happens near sunrise or sunset when the exhaust plume from the rocket becomes brightly illuminated, creating a glowing shape resembling a jellyfish. The mission … Read more

X-ray: NASA/CXC/INAF-IRA/A. Botteon et al.; Infrared: UKIDSS-GPS ; Radio: ASTRON/LOFAR; Image processing: NASA/CXC/SAO/N. Wolk Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol. The researchers discovered the Treble Clef is … Read more

NASA astronaut Jessica Watkins assists NASA astronaut Luke Delaney as he practices suiting up in a spacesuit in an International Space Station airlock simulator on May 5, 2026, at the agency’s Johnson Space Center Space Vehicle Mockup Facility in Houston. Credit: NASA Students in Florida will hear from NASA astronauts Jessica Watkins and Luke Delaney … Read more

For more information, contact Joel W. Sills, Langley Research Center, [email protected] Download the PDF version Complex mode shapes can emerge in a linear structure even when overall damping is low. This behavior can occur when two structural modes are closely spaced in frequency and are coupled through nonproportional damping. As the damping interaction increases, the … Read more

3 Min Read Voyager Technologies’ Griffin-1 Completes Environmental Testing at NASA JPL PIA26708 Credits: NASA/JPL-Caltech Photojournal Navigation Science Photojournal Voyager Technologies’… Photojournal Home Photojournal Search Latest Content Galleries Feedback RSS About   Downloads Voyager Technologies’ Griffin-1 Completes Environmental Testing at NASA JPL JPEG (30.76 MB) PIA26708 Figure A JPEG (26.47 MB) PIA26708 Figure B JPEG … Read more

1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) View all current NASA job openings at USAJobs Vacancy Announcement for Chief Counsel at NASA Glenn Research Center Return to OGC Homepage Source: www.nasa.gov

SpaceX Three NASA-supported small spacecraft, along with many commercial payloads, are shown before being encapsulated in a SpaceX Falcon 9 ahead of launch on Oct. 1, 2026. The ASCENT Propulsion Dual Mode CubeSat, the Supernova Remnants and Proxies for ReIonization Testbed Experiment (SPRITE) CubeSat, and the Small Spacecraft Propulsion and Inspection Capability (SSPICY) mission will … Read more