The International Space Station Marks 25 Years of Continuous Human Presence 

On Nov. 2, 2025, NASA honored 25 years of continuous human presence aboard the International Space Station. What began as a fragile framework of modules has evolved into a springboard for international cooperation, advanced scientific research and technology demonstrations, the development of a low Earth orbit economy, and NASA’s next great leaps in exploration, including […]

Mark Elder: Building the Future of Spacewalking for Artemis and Beyond 

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 […]

NASA’s 2025 Astronaut Candidates: Shaping Artemis Exploration 

When NASA’s 2025 astronaut candidates arrived at the agency’s Johnson Space Center in Houston this fall, they stepped into history, sharing a common mission to master the skills and teamwork that define NASA’s next era of exploration.  Selected from a pool of more than 8,000 applicants, the new class represents a range of backgrounds — […]

The Overview Effect: Astronaut Perspectives from 25 Years in Low Earth Orbit

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing sight and a profound shift in perspective that followed. This unique experience is known as the […]

NASA’s Scott Tingle to Serve as Agency’s Chief Astronaut

NASA named astronaut Scott Tingle as chief of the Astronaut Office at the agency’s Johnson Space Center in Houston, effective Nov. 10. A decorated spaceflight veteran and former captain in the United States Navy, Tingle has logged more than 4,500 flight hours in 51 different aircraft and served as a flight engineer aboard the International […]

Station Nation: Meet Alyssa Yockey, Neutral Buoyancy Laboratory Flight Lead 

Alyssa Yockey supports the International Space Station from NASA’s Johnson Space Center in Houston as a flight lead at the Neutral Buoyancy Laboratory. The Neutral Buoyancy Laboratory is one of the world’s largest indoor pools where astronauts and support teams conduct trainings and other large-scale operations, both in the water and on the pool deck.  […]

Guiding Artemis: Brian Alpert Turns Lessons Learned Into Lunar Progress

Brian Alpert’s path was always destined for the aerospace industry, but his journey turned toward NASA’s Johnson Space Center during his sophomore year in college. That was when Tricia Mack, who works in NASA’s Transportation Integration Office within the International Space Station Program, spoke to his aerospace seminar about planning spacewalks, training crews, and supporting […]

Astronaut Candidates Get to Work at Johnson Space Center

NASA announced its newest class of astronaut candidates on Sept. 22, 2025, at the agency’s Johnson Space Center in Houston. After the welcome ceremony, the 10 highly qualified individuals rolled up their sleeves and prepared for the next step in their journey to the stars: nearly two years of training to become flight-eligible for missions […]

NASA Astronaut Chris Williams to Discuss Upcoming Launch, Mission

NASA will host a news conference at 2 p.m. EDT Wednesday, Oct. 1, from the agency’s Johnson Space Center in Houston to highlight the upcoming mission of astronaut Chris Williams to the International Space Station. The news conference will stream live on NASA’s website and YouTube channel. Learn how to watch NASA content through a […]