Military Units: Navy

Virginia’s Thomas Jefferson was a Founding Father who drafted the Declaration of Independence and who doubled the size of the country with the Louisiana Purchase while serving as the third president. Source: www.war.gov

From team to region — an interactive look at the Army’s organization structure and top things to know about America’s first service branch. Source: www.war.gov

William “Bill” Swann, one of the first-generation pilots at the National Advisory Committee for Aeronautics’ Flight Propulsion Research Laboratory (predecessor to NASA’s Glenn Research Center in Cleveland), prepares to board a McDonnell F2H-2B airplane on Nov. 6, 1956. Credit: NASA Many of NASA’s most important aerospace breakthroughs that began in the laboratory were ultimately proven in the…

NASA’s James Webb Space Telescope imaged the planetary nebula NGC 2392, the Lion Nebula, using the observatory’s NIRCam and MIRI instruments. The central star’s remains are responsible for the nebula’s structure, including a lion face-shaped bubble of ionized gas and dust “mane.” Image: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI) Observing across the…

NASA will host an International Observe the Moon Night celebration from 5:30 to 8 p.m. CST on Saturday, Sept. 19, at the U.S. Space & Rocket Center, the official visitor center for NASA’s Marshall Space Flight Center in Huntsville, Alabama. International Observe the Moon Night celebrates the Moon, the science behind it, and its connection…

Earth Observatory Science Earth Observatory An Early Look at Fall Color in… 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…