Day: October 23, 2026

Thomas Heyward Jr. and Thomas Lynch Jr. represented South Carolina at the Second Continental Congress and signed the Declaration of Independence on July 4, 1776. Source: www.war.gov

In a prime demonstration of joint force agility and resource optimization, the Navy and Army partnered to rapidly repurpose divested MQ-8C Fire Scout unmanned helicopters, transforming excess inventory into dynamic test assets. Source: www.war.gov

At Fort Campbell, Kentucky, the Screaming Eagles Combatives Team and the 3rd Brigade Combat Team’s fight night events do more than teach soldiers how to fight. They’re building camaraderie, developing confidence and giving soldiers a reason to stay in the Army. Source: www.war.gov

NASA, ESA, Michael Jones (California Institute of Technology); Image Processing: Gladys Kober (NASA/Catholic University of America) This NASA Hubble Space Telescope image released on Oct. 16, 2026, features the edge-on, intermediate spiral galaxy NGC 1827, located roughly 37 million light-years away in the constellation Columba, the Dove. Hubble captured the image as part of a…

Members of the media are invited to join NASA at the 2026 von Braun Space Exploration Symposium from Monday, Oct. 26, to Wednesday, Oct. 28, at the University of Alabama in Huntsville. This year’s symposium is focused on humanity’s return to the Moon, sustainable lunar infrastructure, advanced space propulsion, and the evolving space workforce. Panels…

Earth Observatory Science Earth Observatory El Niño Then and Now 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…

APOD Science APOD APOD: 2026 October 23 –… 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. Andromeda in Southern…

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA is helping to foster long-term energy security in Virginia.  NASA’s Langley Research Center in Hampton, Virginia, is partnering with the Virginia Department of Energy to support informed decisions for effective energy generation, delivery and use by providing solar, meteorological, and future weather risk…

NASA/Danny Nowlin Teams at NASA’s Stennis Space Center near Bay St. Louis, Mississippi tested RS-25 engine No. 10001 on Oct. 21, 2026. The hot fire test lasted for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during launch of NASA’s SLS (Space Launch System) rocket, with a 111% power level….