Explore This SectionEarthEarth ObserverEditor’s CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn MemoriamAnnouncementsMoreArchivesConference SchedulesStyle Guide 30 min read Summary of the 2025 GEDI Science Team Meeting Introduction The 2025 Global Ecosystem Dynamics Investigation (GEDI) Science Team Meeting (STM) took place April 1–3, 2025 at the University of Maryland, College Park (UMD). Upwards of 60 participants attended in-person, [...]

Explore This SectionEarthEarth ObserverEditor’s CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn MemoriamAnnouncementsMoreArchivesConference SchedulesStyle Guide 21 min read A Decade of Global Water Cycle Monitoring: NASA Soil Moisture Active Passive Mission Introduction The NASA Soil Moisture Active Passive (SMAP) mission, launched in 2015, has over 10 years of global L-band radiometry observations. The [...]

Explore This SectionEarthEarth ObserverEditor’s CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn MemoriamAnnouncementsMoreArchivesConference SchedulesStyle Guide 12 min read Summary of the 54th U.S.–Japan ASTER Science Team Meeting Introduction The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Science Team (ST) organized a three-day workshop that took place June 9–11, 2025, at the Japan Space System’s (JSS) offices [...]

Explore This SectionScienceFor EducatorsPortable Planetarium takes…OverviewLearning ResourcesScience Activation TeamsSME MapOpportunitiesMoreScience Activation StoriesCitizen Science  3 min read Portable Planetarium takes Thousands of Alaskan Students on a Cosmic Adventure Exploring the Cosmos and Inspiring Young Minds From January through June 2025, the Education Outreach Office at the University of Alaska Fairbanks Geophysical Institute (GI) continued its mission [...]

The 33rd SpaceX commercial resupply services mission for NASA, scheduled to liftoff from the agency’s Kennedy Space Center in Florida in late August, is heading to the International Space Station with an important investigation for the future of bone health. The experiment will test how microgravity affects bone-forming and bone-degrading cells and explore potential ways [...]

5 Min Read NASA, Army National Guard Partner on Flight Training for Moon Landing By Corinne Beckinger When Artemis astronauts land on the Moon’s South Pole in a commercial human landing system, they will encounter a landscape pockmarked with deep craters, sloped connecting ridges, and harsh lighting conditions. The Moon’s lack of contrast, combined [...]

NASA/Kim Shiflett NASA astronauts Christina Koch, Artemis II mission specialist, and Victor Glover, Artemis II pilot, walk on the crew access arm of the mobile launcher in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Tuesday, Aug. 12, 2025. On Aug. 11 and 12, teams with the agency’s Exploration Ground Systems Program along [...]

Northrop Grumman’s Cygnus spacecraft, atop a SpaceX Falcon 9 rocket, soars from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida on Aug. 4, 2024, for Northrop Grumman’s 21st Commercial Resupply Services mission for NASA.Credit: SpaceX Media accreditation is open for the next launch to deliver NASA science investigations, supplies, and equipment [...]