Explore This SectionEarth HomeEarth Observer HomeEditor’s CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn MemoriamMoreArchives 3 min read In Memoriam: Berrien Moore III [1941–2024] Berrien Moore III [1941–2024]Photo credit: Moore’s obituary on the University of Oklahoma’s (OU) website Berrien Moore III, Dean of the College of Atmospheric and Geographic Sciences at the University of Oklahoma (OU), director [...]

NASA/Kim Shiflett Engineers at NASA’s Kennedy Space Center in Florida completed stacking the twin SLS (Space Launch System) solid rocket boosters – seen in this Feb. 19, 2025, photo – inside the Vehicle Assembly Building for the agency’s Artemis II crewed test flight around the Moon. During stacking operations, which began Nov. 20, 2024, technicians used a massive overhead [...]

2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA marked a key milestone Feb. 18 with installation of RS-25 engine No. E20001, the first new production engine to help power the SLS (Space Launch System) rocket on future Artemis missions to the Moon. The engine, built by lead SLS engines contractor L3Harris [...]

Explore This Section Earth Home Earth Observer Home Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam More Archives 3 min read In Memoriam: Pierre Morel [1933–2024] Pierre Morel [1933–2024] Photo Credit: Morel’s obituary on the Ecole Normale Supérieure website Pierre Morel, the first director of the World Climate [...]

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) How to Attend The workshop will be hosted by NASA Jet Propulsion Laboratory. Virtual and in-person attendance are available. Registration is required for both. (Link coming soon!) Virtual attendees will receive connection information one week before the workshop. Background, Goals and Objectives The NASA [...]

Explore This Section Earth Home Earth Observer Home Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam More Archives 35 min read Summary of the Joint NASA LCLUC–SARI Synthesis Meeting Introduction The NASA Land-Cover and Land-Use Change (LCLUC) is an interdisciplinary scientific program within NASA’s Earth Science program that aims [...]

Official portrait of NASA Associate Administrator Jim Free, taken on Nov. 22, 2024, at the agency’s headquarters in Washington.Credit: NASA/Bill Ingalls NASA Associate Administrator Jim Free announced Wednesday his retirement, effective Saturday, Feb. 22. As associate administrator, Free has been the senior advisor to NASA Acting Administrator Janet Petro and leads NASA’s 10 center directors, [...]

One semester as a NASA Pathways intern was enough to inspire Portia Keyes to sign up for a Russian language class at college. After interning in the Johnson Space Center’s Office of Procurement, Keyes hoped to someday use her new language skills in support of the International Space Station Program. Now, 12 years later, Keyes [...]

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Astronaut Jeanette Epps extracts DNA samples from bacteria colonies for genomic analysis aboard the International Space Station’s Harmony module.NASA In an effort to learn more about astronaut health and the effects of space on the human body, NASA is conducting a new experiment aboard [...]