Suggested Searches

NASA astronaut and Expedition 74 flight engineer Chris Williams speaks to students on the ground using the International Space Station's ham radio. The ARISS, or Amateur Radio on the International Space Station, program gives students around the world the opportunity to talk directly with crew members aboard the orbital outpost, inspiring them to pursue careers in science, technology, engineering, and math.

A multi-hued orbital sunset revealing the tops of clouds fades above Earth’s horizon

iss074e0556637 (May 4, 2026) --- A multi-hued orbital sunset revealing the tops of clouds fades above Earth's horizon in this photograph from the International Space Station as it orbited 266 miles above South America's Patagonia region.

Image Credit: NASA/Chris Williams

TakenMay 4, 2026

ProducerJSC

Image CreditNASA/Chris Williams

Size1920x1280px

PIA Numberiss074e0556637