For more than 25 years, Mark Elder has helped make human spaceflight safe and possible. As the International Space Station EVA hardware manager in the Extravehicular Activity (EVA) Office within the EVA and Human Surface Mobility Program, he leads the team responsible for the spacesuits, tools, and logistics that keep astronauts protected during spacewalks—and ensures [...]
EO Science Earth Observatory A Glimpse of History in Benin… Earth Earth Observatory Image of the Day More Subscribe January 11, 2025 In some ways, Benin City is like dozens of other fast-growing cities in Nigeria. Buoyed by burgeoning industrial and agricultural sectors, the city’s population rose by 1.7 million people over the [...]
NASA/JPL-Caltech/Space Science Institute Dramatic plumes, both large and small, spray water ice out from many locations along the famed tiger stripes near the south pole of Saturn’s moon Enceladus in this image released on Feb. 23, 2010. A study published in October 2025 analyzed data from NASA’s Cassini mission and found evidence of previously undetected [...]
EO Science Earth Observatory Rings of Rock in the Sahara Earth Earth Observatory Image of the Day More Subscribe September 13, 2025 In northeastern Africa, within the driest part of the Sahara, dark rocky outcrops rise above pale desert sands. Several of these formations, including Jabal Arakanū, display striking ring-shaped structures. Jabal Arkanū [...]
The Soyuz rocket launches to the International Space Station with Expedition 74 crew members: NASA astronaut Chris Williams, and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, on Thursday, Nov. 27, 2025, at the Baikonur Cosmodrome in Kazakhstan.NASA/Bill Ingalls NASA astronaut Chris Williams, accompanied by Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, safely arrived at the [...]
EO Science Earth Observatory Cranberry Country, Wisconsin Earth Earth Observatory Image of the Day More Subscribe October 13, 2025 Known as America’s Dairyland, Wisconsin produces the most cheese of any state and trails only California in the production of milk. Less famously, the state outpaces all others in a key part of many Thanksgiving menus. Wisconsin is [...]
Explore This Section Science Science Activation PLANETS Units Have Landed –… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 4 min read PLANETS Units Have Landed – Free NASA-Funded Out-of-School Time Resources Constructing a three dimensional topographic map from the Remote Sensing Science Pathway. The NASA [...]
NASA/Kim Shiflett In this Oct. 20, 2025, photo, NASA’s Artemis II Orion spacecraft with its launch abort system is stacked atop the agency’s SLS (Space Launch System) rocket in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Orion will carry NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space [...]
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Reid Wiseman finds a little peace and quiet in the station’s Destiny lab.NASA The Lifetime Surveillance of Astronaut Health (LSAH) program collects, analyzes, and interprets medical, physiological, hazard exposure, and environmental data for the purpose of maintaining astronaut health and safety as well as [...]
Explore This Section Science Science Activation NASA & GLOBE Connect People,… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 4 min read NASA & GLOBE Connect People, Land, and Space The GLOBE Land Cover satellite comparison table is generated weekly for every GLOBE Land Cover observation. [...]
