Earth Observatory Science Earth Observatory Michigan’s Les Cheneaux Islands 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 Read more
Two technicians at NASA’s Michoud Assembly Facility in New Orleans stand around one of the four RS-25 engines for the agency’s SLS (Space Launch System) rocket on Sept. 8, 2023. The RS-25 engine looks like a bell-shaped nozzle attached to a network of pipes. The engine is being lifted by Read more
Venus is seen as it disappears behind the Moon at the start of the occultation on June 17, 2026, from the Mary W. Jackson NASA Headquarters building in Washington NASA/Joel Kowsky On Wednesday, June 17, skywatchers across the United States—and parts of Canada—enjoyed a rare event: a daytime lunar occultation Read more
APOD Science APOD APOD: 2026 September 4 – Na… 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 Read more
Delegates to the Second Continental Congress adopted the Declaration of Independence on July 4, 1776. Three of the 56 delegates who signed the formal break from Britain represented New Hampshire: Josiah Bartlett, Matthew Thornton and William Whipple. Source: www.war.gov
Earth Observatory Science Earth Observatory A Trio of Tropical Cyclones 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 Read more
Earth Observatory Science Earth Observatory The Forested Floodplains of… 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 Read more
Earth Observatory Science Earth Observatory Rare, Widespread Snow in the… 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 Read more
NASA’s Earth-observing satellite missions track dozens of features of a changing planet — aerosols, sea levels, land cover, cloud cover — over years and decades. Sustaining that record for the scientific and operational communities who depend on it requires more than engineering talent. It requires planning for an uncertain future: Read more
Earth Observatory Science Aqua Peatland Fires Darken Skies 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 Read more